diff --git a/Common-Use/hashmap.exe b/Common-Use/hashmap.exe
new file mode 100644
index 0000000..ce2655f
Binary files /dev/null and b/Common-Use/hashmap.exe differ
diff --git a/Common-Use/hashmap.pdb b/Common-Use/hashmap.pdb
new file mode 100644
index 0000000..a7b1daa
Binary files /dev/null and b/Common-Use/hashmap.pdb differ
diff --git a/Common-Use/hashmap.rs b/Common-Use/hashmap.rs
new file mode 100644
index 0000000..7e7542d
--- /dev/null
+++ b/Common-Use/hashmap.rs
@@ -0,0 +1,26 @@
+use std::collections::HashMap;
+
+fn thereisnoerror() {
+    let mut map = std::collections::HashMap::new();
+    map.insert("key1", "value1");
+    map.insert("key2", "value2");
+    println!("{:?}", map);
+}
+
+fn main(){
+    let mut h = HashMap::new();
+    h.insert(1, "one");
+    h.insert(2, "two");
+    h.insert(3, "three");
+    h.insert(4, "four");
+    h.insert(5, "five");
+    print!("{:?} ", h);
+    //println!("{0}", *h.count(4));
+    let mut a = |y: i64| -> i64 { return 1 + y; };
+    let result = a(3);
+    println!("{}", result);
+    match h.get(&4) {
+        Some(v) => println!("Found: {}", v),
+        None => println!("Not Found"),
+    }
+}
\ No newline at end of file
diff --git a/Common-Use/readme.md b/Common-Use/readme.md
new file mode 100644
index 0000000..5facd36
--- /dev/null
+++ b/Common-Use/readme.md
@@ -0,0 +1,290 @@
+非常好的问题 👏
+`Option<&V>` 是 Rust 中非常核心的类型之一，理解它对你掌握 **Rust 的所有权系统** 和 **安全编程哲学** 都至关重要。
+我们来一步步深入讲清楚，从原理到底层实现、再到各种用法与技巧。
+
+---
+
+# 🧩 一、什么是 `Option<T>`
+
+## ✅ 定义
+
+`Option<T>` 是一个**枚举类型**，定义在标准库中：
+
+```rust
+enum Option<T> {
+    Some(T),
+    None,
+}
+```
+
+也就是说，它是一个「可能有值，也可能没有值」的容器。
+
+* `Some(T)` 表示存在一个值；
+* `None` 表示值不存在。
+
+---
+
+## 🧠 为什么要有 `Option<T>`
+
+在很多语言（如 C/C++、Java）中，缺失值通常用 `NULL` 或 `None`，但容易出错。
+Rust 用 `Option<T>` 代替「空指针」，**在类型层面上强制你处理缺失的情况**。
+这样编译器就能帮你防止空指针错误（`null pointer dereference`）。
+
+---
+
+# 🔍 二、`Option<&V>` 是什么？
+
+在 `HashMap::get()` 等函数中，你会看到返回类型是：
+
+```rust
+Option<&V>
+```
+
+意思是：
+
+> “可能返回一个指向值 `V` 的引用，如果 key 不存在，则返回 None。”
+
+举个例子：
+
+```rust
+use std::collections::HashMap;
+
+fn main() {
+    let mut map = HashMap::new();
+    map.insert("apple", 3);
+
+    let v1 = map.get("apple"); // Some(&3)
+    let v2 = map.get("banana"); // None
+
+    println!("{:?} {:?}", v1, v2);
+}
+```
+
+输出：
+
+```
+Some(3) None
+```
+
+---
+
+# 🧩 三、匹配（模式匹配）方式
+
+最常见的处理方式是 **match**：
+
+```rust
+match map.get("apple") {
+    Some(value) => println!("Found: {}", value),
+    None => println!("Not found"),
+}
+```
+
+这种写法非常直观，但略显冗长，于是 Rust 提供了更优雅的写法👇
+
+---
+
+# ⚙️ 四、常见用法大全
+
+## 1️⃣ `is_some()` / `is_none()`
+
+判断是否存在值：
+
+```rust
+if map.get("apple").is_some() {
+    println!("存在 apple");
+}
+```
+
+---
+
+## 2️⃣ `unwrap()` / `unwrap_or()` / `unwrap_or_default()`
+
+提取值：
+
+```rust
+let v = map.get("apple").unwrap();          // 若 None 则 panic!
+let v = map.get("apple").unwrap_or(&0);     // 若 None 则返回 &0
+let v = map.get("apple").unwrap_or_default(); // 若 None 则返回默认值
+```
+
+> ⚠️ 不建议随意使用 `unwrap()`，除非你确信一定有值。
+
+---
+
+## 3️⃣ `if let` 简写匹配
+
+```rust
+if let Some(v) = map.get("apple") {
+    println!("数量: {}", v);
+}
+```
+
+比 `match` 简洁，常用于只关心 `Some` 的情况。
+
+---
+
+## 4️⃣ `map()` —— 映射转换
+
+`map()` 能把 `Option` 内的值加工成另一个类型：
+
+```rust
+let length = map.get("apple").map(|v| v * 2);
+println!("{:?}", length); // Some(6)
+```
+
+若为 `None`，则结果仍是 `None`。
+
+---
+
+## 5️⃣ `and_then()` —— 链式调用
+
+用于多层 Option 嵌套场景：
+
+```rust
+let result = map.get("apple")
+                .and_then(|v| Some(v * 10))
+                .and_then(|x| Some(x + 1));
+println!("{:?}", result); // Some(31)
+```
+
+---
+
+## 6️⃣ `unwrap_or_else()` —— 延迟计算默认值
+
+```rust
+let v = map.get("banana").unwrap_or_else(|| {
+    println!("key 不存在，使用默认值");
+    &0
+});
+```
+
+如果 key 不存在，执行闭包生成默认值。
+
+---
+
+## 7️⃣ `as_ref()` / `as_mut()`
+
+将 `Option<T>` 转换为 `Option<&T>` 或 `Option<&mut T>`：
+
+```rust
+let opt = Some(String::from("hi"));
+let ref_opt = opt.as_ref();    // Option<&String>
+let mut_opt = opt.as_ref();    // Option<&mut String>
+```
+
+这在借用时非常实用，尤其是嵌套结构。
+
+---
+
+## 8️⃣ `expect()` —— 自定义 panic 信息
+
+```rust
+let v = map.get("apple").expect("apple 不存在！");
+```
+
+如果是 `None`，会 panic 并显示 `"apple 不存在！"`。
+
+---
+
+## 9️⃣ `copied()` / `cloned()`
+
+如果你要从 `Option<&T>` 提取出 `Option<T>`（复制/克隆），可以这样：
+
+```rust
+let map = HashMap::from([("a", 10)]);
+let val = map.get("a").copied(); // Option<i32>
+println!("{:?}", val);           // Some(10)
+```
+
+区别：
+
+* `.copied()` 要求 `T: Copy`
+* `.cloned()` 要求 `T: Clone`
+
+---
+
+## 🔟 `unwrap_or_default()`
+
+对简单类型（如 `i32`、`bool`）非常方便：
+
+```rust
+let map = HashMap::new();
+let v: i32 = *map.get("x").unwrap_or_default(); // None -> 默认0
+```
+
+---
+
+# 🧠 五、内部机制（零成本抽象）
+
+Rust 的 `Option<T>` 在底层通常会被 **编译器优化为“无额外开销”** 的形式。
+
+举个例子：
+`Option<&T>` 通常和 `*const T` 的大小完全一样。
+因为：
+
+* `None` 会用空指针 `0` 表示；
+* `Some(x)` 则用非零指针。
+
+所以：
+
+```rust
+std::mem::size_of::<Option<&i32>>() == std::mem::size_of::<&i32>()
+```
+
+✅ 成立，说明 `Option<&T>` 没有额外开销。
+
+---
+
+# 🧩 六、总结表格
+
+| 方法                    | 作用                               | 示例                        |   |             |
+| --------------------- | -------------------------------- | ------------------------- | - | ----------- |
+| `is_some()`           | 是否有值                             | `opt.is_some()`           |   |             |
+| `is_none()`           | 是否为空                             | `opt.is_none()`           |   |             |
+| `unwrap()`            | 直接取值（危险）                         | `opt.unwrap()`            |   |             |
+| `unwrap_or(x)`        | 无值时返回 x                          | `opt.unwrap_or(0)`        |   |             |
+| `unwrap_or_default()` | 无值时返回默认值                         | `opt.unwrap_or_default()` |   |             |
+| `unwrap_or_else(f)`   | 无值时调用函数生成                        | `opt.unwrap_or_else(      |   | 0)`         |
+| `expect(msg)`         | 无值时 panic，带信息                    | `opt.expect("错误")`        |   |             |
+| `map(f)`              | 处理 Some 中的值                      | `opt.map(                 | x | x+1)`       |
+| `and_then(f)`         | 链式 Option 处理                     | `opt.and_then(            | x | Some(x+1))` |
+| `as_ref()`            | 转换为 Option<&T>                   | `opt.as_ref()`            |   |             |
+| `as_mut()`            | 转换为 Option<&mut T>               | `opt.as_mut()`            |   |             |
+| `copied()`            | Option<&T> → Option<T>（T: Copy）  | `opt.copied()`            |   |             |
+| `cloned()`            | Option<&T> → Option<T>（T: Clone） | `opt.cloned()`            |   |             |
+
+---
+
+# 🔚 七、一个综合示例
+
+```rust
+use std::collections::HashMap;
+
+fn main() {
+    let mut scores = HashMap::new();
+    scores.insert("Alice", 90);
+    scores.insert("Bob", 85);
+
+    let name = "Charlie";
+    let score = scores.get(name)
+                      .copied()               // Option<i32>
+                      .unwrap_or_else(|| {
+                          println!("{name} 不存在，使用默认分数");
+                          60
+                      });
+
+    println!("{name} 的分数是 {score}");
+}
+```
+
+输出：
+
+```
+Charlie 不存在，使用默认分数
+Charlie 的分数是 60
+```
+
+---
+
+是否希望我接着帮你画一张「`Option<T>` 方法调用关系图（功能导图）」？
+那张图能直观看出各种方法如何互相转换，非常适合记忆和快速查阅。
diff --git a/Common-Use/vec.exe b/Common-Use/vec.exe
new file mode 100644
index 0000000..d2a8628
Binary files /dev/null and b/Common-Use/vec.exe differ
diff --git a/Common-Use/vec.pdb b/Common-Use/vec.pdb
new file mode 100644
index 0000000..56f9579
Binary files /dev/null and b/Common-Use/vec.pdb differ
diff --git a/Common-Use/vec.rs b/Common-Use/vec.rs
new file mode 100644
index 0000000..6bbf279
--- /dev/null
+++ b/Common-Use/vec.rs
@@ -0,0 +1,18 @@
+fn sum(list:&Vec<i64>) -> i64 {
+    let mut total = 0;
+    for i in list {
+        total += i;
+    }
+    total
+}
+
+fn main(){
+    let mut v: Vec<i64> = Vec::new();
+    v.push(1);
+    v.push(2);
+    v.push(3);
+    for i in &v {
+        println!("{}", i);
+    }
+    println!("Sum: {}", sum(&v));
+}
\ No newline at end of file
diff --git a/Macro/macrotest.exe b/Macro/macrotest.exe
new file mode 100644
index 0000000..949e9be
Binary files /dev/null and b/Macro/macrotest.exe differ
diff --git a/Macro/macrotest.pdb b/Macro/macrotest.pdb
new file mode 100644
index 0000000..fa9b11e
Binary files /dev/null and b/Macro/macrotest.pdb differ
diff --git a/Macro/macrotest.rs b/Macro/macrotest.rs
new file mode 100644
index 0000000..a29146c
--- /dev/null
+++ b/Macro/macrotest.rs
@@ -0,0 +1,10 @@
+macro_rules! double_and_add_one {
+    ($x : expr) => {
+        $x * 2 + 1;
+    };
+}
+
+fn main(){
+    let result = double_and_add_one!(5);
+    println!("Result: {}", result); // This will print "Result: 11"
+}
\ No newline at end of file
diff --git a/Macro/readme.md b/Macro/readme.md
new file mode 100644
index 0000000..0cbee1f
--- /dev/null
+++ b/Macro/readme.md
@@ -0,0 +1,124 @@
+完全可以，我们来系统讲一下 `macro_rules!` 中 **宏变量匹配类型**，也就是你说的除了 `expr` 还能匹配什么。
+
+---
+
+## 1️⃣ 基本宏变量语法
+
+```rust
+$变量名:匹配类型
+```
+
+* `$` → 宏变量前缀
+* `变量名` → 自己命名
+* `匹配类型` → Rust 定义的一些匹配规则，告诉宏要匹配什么类型的语法单元
+
+---
+
+## 2️⃣ 常用匹配类型
+
+| 匹配类型      | 描述              | 示例                                      |
+| --------- | --------------- | --------------------------------------- |
+| `expr`    | 表达式             | `5 + 3`, `a * b`, `func(1)`             |
+| `ident`   | 标识符             | `x`, `my_var`                           |
+| `ty`      | 类型              | `i32`, `Vec<String>`                    |
+| `pat`     | 模式              | `Some(x)`, `(a, b)`                     |
+| `stmt`    | 语句              | `let x = 1;`                            |
+| `block`   | 代码块             | `{ let x = 1; x+2 }`                    |
+| `meta`    | 元属性             | `derive(Debug)`                         |
+| `tt`      | Token Tree（最通用） | 单个标记或标记组，几乎可以匹配任何东西                     |
+| `path`    | 路径              | `std::io::Result`, `crate::module::Foo` |
+| `literal` | 字面量             | `"hello"`, `42`, `3.14`                 |
+
+---
+
+### 3️⃣ 示例
+
+#### 表达式匹配
+
+```rust
+macro_rules! add {
+    ($a:expr, $b:expr) => {
+        $a + $b
+    };
+}
+
+let x = add!(1 + 2, 3 * 4); // 匹配复杂表达式
+```
+
+#### 类型匹配
+
+```rust
+macro_rules! make_default {
+    ($t:ty) => {
+        <$t>::default()
+    };
+}
+
+let v: Vec<i32> = make_default!(Vec<i32>);
+```
+
+#### 标识符匹配
+
+```rust
+macro_rules! create_var {
+    ($name:ident) => {
+        let $name = 42;
+    };
+}
+
+create_var!(my_var);
+println!("{}", my_var); // 输出 42
+```
+
+#### 语句匹配
+
+```rust
+macro_rules! repeat_stmt {
+    ($s:stmt) => {
+        $s
+        $s
+    };
+}
+
+repeat_stmt!(println!("Hi");) // 会打印两次 Hi
+```
+
+#### 代码块匹配
+
+```rust
+macro_rules! run_block {
+    ($b:block) => {
+        println!("Before");
+        $b
+        println!("After");
+    };
+}
+
+run_block!({
+    println!("Inside");
+});
+```
+
+输出：
+
+```
+Before
+Inside
+After
+```
+
+---
+
+### 4️⃣ 小结
+
+* `expr` 只能匹配表达式
+* Rust 宏提供了多种匹配类型（`ident`, `ty`, `pat`, `stmt`, `block`, `literal`, `tt` 等）
+* `tt` 最通用，但匹配后需要自己处理结构
+
+> 可以理解为：**每个匹配类型限制了宏能匹配的语法单元**，避免写宏时乱匹配或产生歧义
+
+---
+
+我可以画一张 **macro_rules! 匹配类型示意图**，把 `expr, ident, ty, pat, stmt, block, tt, literal` 的对应语法单元和示例都标出来，一目了然。
+
+你希望我画吗？
diff --git a/Macro/宏 b/Macro/宏
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/Cargo.lock b/Package-Crate/cratetest/Cargo.lock
new file mode 100644
index 0000000..389f03f
--- /dev/null
+++ b/Package-Crate/cratetest/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "cratetest"
+version = "0.1.0"
diff --git a/Package-Crate/cratetest/Cargo.toml b/Package-Crate/cratetest/Cargo.toml
new file mode 100644
index 0000000..e2c67d1
--- /dev/null
+++ b/Package-Crate/cratetest/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "cratetest"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/Package-Crate/cratetest/src/lib.rs b/Package-Crate/cratetest/src/lib.rs
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/src/main.rs b/Package-Crate/cratetest/src/main.rs
new file mode 100644
index 0000000..c0835c7
--- /dev/null
+++ b/Package-Crate/cratetest/src/main.rs
@@ -0,0 +1,6 @@
+mod student;
+fn main() {
+    let s = student::monitor::check::check_num::Container::init_auto(1, String::from("Alice"), 20, 95.5);
+    student::monitor::check::check_score::score(s);
+    println!("Hello, world!");
+}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/src/student/mod.rs b/Package-Crate/cratetest/src/student/mod.rs
new file mode 100644
index 0000000..2b2cbaa
--- /dev/null
+++ b/Package-Crate/cratetest/src/student/mod.rs
@@ -0,0 +1,2 @@
+pub mod ordinary;
+pub mod monitor;
\ No newline at end of file
diff --git a/Package-Crate/cratetest/src/student/monitor.rs b/Package-Crate/cratetest/src/student/monitor.rs
new file mode 100644
index 0000000..411fcbd
--- /dev/null
+++ b/Package-Crate/cratetest/src/student/monitor.rs
@@ -0,0 +1,50 @@
+pub mod check{
+    pub mod check_num{
+        pub const MAX_NUM:i64 = 120; //check中且不能改
+        pub static mut NUM:i64 = 30; //必须用unsafe
+        //比较好的方法是用一个结构体存
+        pub struct Container{
+            num: i64,
+            name: String,
+            age: i64,
+            score: f64
+        }
+        impl Container  {
+            pub fn init_self(&mut self, num_:i64, name_:String, age_:i64, score_:f64){
+                self.num = num_;
+                self.name = name_;
+                self.age = age_;
+                self.score = score_;
+            }
+            pub fn init_auto(num:i64, name:String, age:i64, score:f64) -> Self {
+                return Self { num, name, age, score };
+            }
+            pub fn num(&self) -> i64{
+                return self.num;
+            }
+            pub fn score_rt(&self) -> f64 {
+                return self.score;
+            }
+        }
+        pub fn max_num() -> i64{
+            return MAX_NUM;
+        }
+        
+    }
+    pub mod check_score{
+        use crate::student::monitor::check::check_num::Container;
+        pub fn score(c:Container){
+            println!("Score is {0}", c.score_rt());
+        }
+    }
+}
+
+pub mod alarm{
+    pub fn not_allowed(){
+        println!("This Action is Not Allowed");
+    }
+}
+
+pub mod unite{
+
+}
diff --git a/Package-Crate/cratetest/src/student/ordinary.rs b/Package-Crate/cratetest/src/student/ordinary.rs
new file mode 100644
index 0000000..9c3a189
--- /dev/null
+++ b/Package-Crate/cratetest/src/student/ordinary.rs
@@ -0,0 +1,14 @@
+pub mod biology{
+    pub struct Info{
+        word: String,
+        num: i64
+    }
+    impl Info{
+        pub fn init(&self, word: String, num: i64) -> Self {
+            Self { word, num }
+        }
+        pub fn getinfo(&self){
+            println!("My name is {0}, I have number {1}", self.word, self.num);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/.rustc_info.json b/Package-Crate/cratetest/target/.rustc_info.json
new file mode 100644
index 0000000..0471465
--- /dev/null
+++ b/Package-Crate/cratetest/target/.rustc_info.json
@@ -0,0 +1 @@
+{"rustc_fingerprint":10462622210688861186,"outputs":{"7971740275564407648":{"success":true,"status":"","code":0,"stdout":"___.exe\nlib___.rlib\n___.dll\n___.dll\n___.lib\n___.dll\nC:\\Users\\huaji\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\npacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"msvc\"\ntarget_family=\"windows\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"windows\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"pc\"\nwindows\n","stderr":""},"17747080675513052775":{"success":true,"status":"","code":0,"stdout":"rustc 1.89.0 (29483883e 2025-08-04)\nbinary: rustc\ncommit-hash: 29483883eed69d5fb4db01964cdf2af4d86e9cb2\ncommit-date: 2025-08-04\nhost: x86_64-pc-windows-msvc\nrelease: 1.89.0\nLLVM version: 20.1.7\n","stderr":""}},"successes":{}}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/CACHEDIR.TAG b/Package-Crate/cratetest/target/CACHEDIR.TAG
new file mode 100644
index 0000000..20d7c31
--- /dev/null
+++ b/Package-Crate/cratetest/target/CACHEDIR.TAG
@@ -0,0 +1,3 @@
+Signature: 8a477f597d28d172789f06886806bc55
+# This file is a cache directory tag created by cargo.
+# For information about cache directory tags see https://bford.info/cachedir/
diff --git a/Package-Crate/cratetest/target/debug/.cargo-lock b/Package-Crate/cratetest/target/debug/.cargo-lock
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/dep-test-bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/dep-test-bin-cratetest
new file mode 100644
index 0000000..cdcf293
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/dep-test-bin-cratetest differ
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/invoked.timestamp b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/output-test-bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/output-test-bin-cratetest
new file mode 100644
index 0000000..ab25eb5
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/output-test-bin-cratetest
@@ -0,0 +1,9 @@
+{"$message_type":"diagnostic","message":"struct `Info` is never constructed","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\ordinary.rs","byte_start":33,"byte_end":37,"line_start":2,"line_end":2,"column_start":16,"column_end":20,"is_primary":true,"text":[{"text":"    pub struct Info{","highlight_start":16,"highlight_end":20}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: struct `Info` is never constructed\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\ordinary.rs:2:16\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m2\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    pub struct Info{\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m= \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"methods `init` and `getinfo` are never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\ordinary.rs","byte_start":92,"byte_end":101,"line_start":6,"line_end":6,"column_start":5,"column_end":14,"is_primary":false,"text":[{"text":"    impl Info{","highlight_start":5,"highlight_end":14}],"label":"methods in this implementation","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\ordinary.rs","byte_start":119,"byte_end":123,"line_start":7,"line_end":7,"column_start":16,"column_end":20,"is_primary":true,"text":[{"text":"        pub fn init(&self, word: String, num: i64) -> Self {","highlight_start":16,"highlight_end":20}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\ordinary.rs","byte_start":224,"byte_end":231,"line_start":10,"line_end":10,"column_start":16,"column_end":23,"is_primary":true,"text":[{"text":"        pub fn getinfo(&self){","highlight_start":16,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: methods `init` and `getinfo` are never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\ordinary.rs:7:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m6\u001b[0m\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    impl Info{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m     \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m---------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mmethods in this implementation\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m7\u001b[0m\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn init(&self, word: String, num: i64) -> Self {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m...\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m10\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn getinfo(&self){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"constant `MAX_NUM` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":58,"byte_end":65,"line_start":3,"line_end":3,"column_start":19,"column_end":26,"is_primary":true,"text":[{"text":"        pub const MAX_NUM:i64 = 120; //check中且不能改","highlight_start":19,"highlight_end":26}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: constant `MAX_NUM` is never used\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:3:19\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m3\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub const MAX_NUM:i64 = 120; //check中且不能改\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"static `NUM` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":124,"byte_end":127,"line_start":4,"line_end":4,"column_start":24,"column_end":27,"is_primary":true,"text":[{"text":"        pub static mut NUM:i64 = 30; //必须用unsafe","highlight_start":24,"highlight_end":27}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: static `NUM` is never used\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:4:24\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m4\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub static mut NUM:i64 = 30; //必须用unsafe\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                        \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"fields `num`, `name`, and `age` are never read","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":230,"byte_end":239,"line_start":6,"line_end":6,"column_start":20,"column_end":29,"is_primary":false,"text":[{"text":"        pub struct Container{","highlight_start":20,"highlight_end":29}],"label":"fields in this struct","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":254,"byte_end":257,"line_start":7,"line_end":7,"column_start":13,"column_end":16,"is_primary":true,"text":[{"text":"            num: i64,","highlight_start":13,"highlight_end":16}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":277,"byte_end":281,"line_start":8,"line_end":8,"column_start":13,"column_end":17,"is_primary":true,"text":[{"text":"            name: String,","highlight_start":13,"highlight_end":17}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":304,"byte_end":307,"line_start":9,"line_end":9,"column_start":13,"column_end":16,"is_primary":true,"text":[{"text":"            age: i64,","highlight_start":13,"highlight_end":16}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: fields `num`, `name`, and `age` are never read\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:7:13\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m6\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub struct Container{\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m---------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mfields in this struct\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m7\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            num: i64,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m8\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            name: String,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m9\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            age: i64,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"methods `init_self` and `num` are never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":358,"byte_end":372,"line_start":12,"line_end":12,"column_start":9,"column_end":23,"is_primary":false,"text":[{"text":"        impl Container  {","highlight_start":9,"highlight_end":23}],"label":"methods in this implementation","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":396,"byte_end":405,"line_start":13,"line_end":13,"column_start":20,"column_end":29,"is_primary":true,"text":[{"text":"            pub fn init_self(&mut self, num_:i64, name_:String, age_:i64, score_:f64){","highlight_start":20,"highlight_end":29}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":794,"byte_end":797,"line_start":22,"line_end":22,"column_start":20,"column_end":23,"is_primary":true,"text":[{"text":"            pub fn num(&self) -> i64{","highlight_start":20,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: methods `init_self` and `num` are never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:13:20\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m12\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        impl Container  {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m         \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--------------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mmethods in this implementation\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m13\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            pub fn init_self(&mut self, num_:i64, name_:String, age_:i64, score_:f64){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m...\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m22\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            pub fn num(&self) -> i64{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"function `max_num` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":985,"byte_end":992,"line_start":29,"line_end":29,"column_start":16,"column_end":23,"is_primary":true,"text":[{"text":"        pub fn max_num() -> i64{","highlight_start":16,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: function `max_num` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:29:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m29\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn max_num() -> i64{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"function `not_allowed` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":1293,"byte_end":1304,"line_start":43,"line_end":43,"column_start":12,"column_end":23,"is_primary":true,"text":[{"text":"    pub fn not_allowed(){","highlight_start":12,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: function `not_allowed` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:43:12\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m43\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    pub fn not_allowed(){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m            \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"8 warnings emitted","code":null,"level":"warning","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: 8 warnings emitted\u001b[0m\n\n"}
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/test-bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/test-bin-cratetest
new file mode 100644
index 0000000..9a23585
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/test-bin-cratetest
@@ -0,0 +1 @@
+c67506101aee53a5
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/test-bin-cratetest.json b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/test-bin-cratetest.json
new file mode 100644
index 0000000..40306d7
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18245caf720d90fc/test-bin-cratetest.json
@@ -0,0 +1 @@
+{"rustc":3062648155896360161,"features":"[]","declared_features":"[]","target":15519478794282214699,"profile":3316208278650011218,"path":4942398508502643691,"deps":[[198839618041740247,"cratetest",false,18430654450331647994]],"local":[{"CheckDepInfo":{"dep_info":"debug\\.fingerprint\\cratetest-18245caf720d90fc\\dep-test-bin-cratetest","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/bin-cratetest
new file mode 100644
index 0000000..b0bec62
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/bin-cratetest
@@ -0,0 +1 @@
+589e821bb81016bc
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/bin-cratetest.json b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/bin-cratetest.json
new file mode 100644
index 0000000..69db171
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/bin-cratetest.json
@@ -0,0 +1 @@
+{"rustc":3062648155896360161,"features":"[]","declared_features":"[]","target":15519478794282214699,"profile":8731458305071235362,"path":4942398508502643691,"deps":[[198839618041740247,"cratetest",false,18262412242635120008]],"local":[{"CheckDepInfo":{"dep_info":"debug\\.fingerprint\\cratetest-18ae1240f891c4ad\\dep-bin-cratetest","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/dep-bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/dep-bin-cratetest
new file mode 100644
index 0000000..dc2f4f4
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/dep-bin-cratetest differ
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/invoked.timestamp b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/output-bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/output-bin-cratetest
new file mode 100644
index 0000000..ab25eb5
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-18ae1240f891c4ad/output-bin-cratetest
@@ -0,0 +1,9 @@
+{"$message_type":"diagnostic","message":"struct `Info` is never constructed","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\ordinary.rs","byte_start":33,"byte_end":37,"line_start":2,"line_end":2,"column_start":16,"column_end":20,"is_primary":true,"text":[{"text":"    pub struct Info{","highlight_start":16,"highlight_end":20}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: struct `Info` is never constructed\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\ordinary.rs:2:16\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m2\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    pub struct Info{\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m= \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"methods `init` and `getinfo` are never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\ordinary.rs","byte_start":92,"byte_end":101,"line_start":6,"line_end":6,"column_start":5,"column_end":14,"is_primary":false,"text":[{"text":"    impl Info{","highlight_start":5,"highlight_end":14}],"label":"methods in this implementation","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\ordinary.rs","byte_start":119,"byte_end":123,"line_start":7,"line_end":7,"column_start":16,"column_end":20,"is_primary":true,"text":[{"text":"        pub fn init(&self, word: String, num: i64) -> Self {","highlight_start":16,"highlight_end":20}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\ordinary.rs","byte_start":224,"byte_end":231,"line_start":10,"line_end":10,"column_start":16,"column_end":23,"is_primary":true,"text":[{"text":"        pub fn getinfo(&self){","highlight_start":16,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: methods `init` and `getinfo` are never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\ordinary.rs:7:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m6\u001b[0m\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    impl Info{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m     \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m---------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mmethods in this implementation\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m7\u001b[0m\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn init(&self, word: String, num: i64) -> Self {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m...\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m10\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn getinfo(&self){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"constant `MAX_NUM` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":58,"byte_end":65,"line_start":3,"line_end":3,"column_start":19,"column_end":26,"is_primary":true,"text":[{"text":"        pub const MAX_NUM:i64 = 120; //check中且不能改","highlight_start":19,"highlight_end":26}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: constant `MAX_NUM` is never used\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:3:19\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m3\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub const MAX_NUM:i64 = 120; //check中且不能改\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"static `NUM` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":124,"byte_end":127,"line_start":4,"line_end":4,"column_start":24,"column_end":27,"is_primary":true,"text":[{"text":"        pub static mut NUM:i64 = 30; //必须用unsafe","highlight_start":24,"highlight_end":27}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: static `NUM` is never used\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:4:24\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m4\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub static mut NUM:i64 = 30; //必须用unsafe\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                        \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"fields `num`, `name`, and `age` are never read","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":230,"byte_end":239,"line_start":6,"line_end":6,"column_start":20,"column_end":29,"is_primary":false,"text":[{"text":"        pub struct Container{","highlight_start":20,"highlight_end":29}],"label":"fields in this struct","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":254,"byte_end":257,"line_start":7,"line_end":7,"column_start":13,"column_end":16,"is_primary":true,"text":[{"text":"            num: i64,","highlight_start":13,"highlight_end":16}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":277,"byte_end":281,"line_start":8,"line_end":8,"column_start":13,"column_end":17,"is_primary":true,"text":[{"text":"            name: String,","highlight_start":13,"highlight_end":17}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":304,"byte_end":307,"line_start":9,"line_end":9,"column_start":13,"column_end":16,"is_primary":true,"text":[{"text":"            age: i64,","highlight_start":13,"highlight_end":16}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: fields `num`, `name`, and `age` are never read\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:7:13\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m6\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub struct Container{\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m---------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mfields in this struct\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m7\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            num: i64,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m8\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            name: String,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m9\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            age: i64,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"methods `init_self` and `num` are never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":358,"byte_end":372,"line_start":12,"line_end":12,"column_start":9,"column_end":23,"is_primary":false,"text":[{"text":"        impl Container  {","highlight_start":9,"highlight_end":23}],"label":"methods in this implementation","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":396,"byte_end":405,"line_start":13,"line_end":13,"column_start":20,"column_end":29,"is_primary":true,"text":[{"text":"            pub fn init_self(&mut self, num_:i64, name_:String, age_:i64, score_:f64){","highlight_start":20,"highlight_end":29}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":794,"byte_end":797,"line_start":22,"line_end":22,"column_start":20,"column_end":23,"is_primary":true,"text":[{"text":"            pub fn num(&self) -> i64{","highlight_start":20,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: methods `init_self` and `num` are never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:13:20\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m12\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        impl Container  {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m         \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--------------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mmethods in this implementation\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m13\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            pub fn init_self(&mut self, num_:i64, name_:String, age_:i64, score_:f64){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m...\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m22\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            pub fn num(&self) -> i64{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"function `max_num` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":985,"byte_end":992,"line_start":29,"line_end":29,"column_start":16,"column_end":23,"is_primary":true,"text":[{"text":"        pub fn max_num() -> i64{","highlight_start":16,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: function `max_num` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:29:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m29\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn max_num() -> i64{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"function `not_allowed` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":1293,"byte_end":1304,"line_start":43,"line_end":43,"column_start":12,"column_end":23,"is_primary":true,"text":[{"text":"    pub fn not_allowed(){","highlight_start":12,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: function `not_allowed` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:43:12\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m43\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    pub fn not_allowed(){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m            \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"8 warnings emitted","code":null,"level":"warning","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: 8 warnings emitted\u001b[0m\n\n"}
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/dep-lib-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/dep-lib-cratetest
new file mode 100644
index 0000000..02bca30
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/dep-lib-cratetest differ
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/invoked.timestamp b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/lib-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/lib-cratetest
new file mode 100644
index 0000000..2b15d89
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/lib-cratetest
@@ -0,0 +1 @@
+fa7ffda192d6c6ff
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/lib-cratetest.json b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/lib-cratetest.json
new file mode 100644
index 0000000..679c02b
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-99ce758d585dbfb5/lib-cratetest.json
@@ -0,0 +1 @@
+{"rustc":3062648155896360161,"features":"[]","declared_features":"[]","target":7479634845804353691,"profile":17672942494452627365,"path":10763286916239946207,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug\\.fingerprint\\cratetest-99ce758d585dbfb5\\dep-lib-cratetest","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/dep-test-lib-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/dep-test-lib-cratetest
new file mode 100644
index 0000000..02bca30
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/dep-test-lib-cratetest differ
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/invoked.timestamp b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/test-lib-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/test-lib-cratetest
new file mode 100644
index 0000000..5a9bf8d
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/test-lib-cratetest
@@ -0,0 +1 @@
+c1b1db4cf5b9bbc9
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/test-lib-cratetest.json b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/test-lib-cratetest.json
new file mode 100644
index 0000000..4420cca
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-ad4fb1e3517573b1/test-lib-cratetest.json
@@ -0,0 +1 @@
+{"rustc":3062648155896360161,"features":"[]","declared_features":"[]","target":7479634845804353691,"profile":3316208278650011218,"path":10763286916239946207,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug\\.fingerprint\\cratetest-ad4fb1e3517573b1\\dep-test-lib-cratetest","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/bin-cratetest
new file mode 100644
index 0000000..14372c5
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/bin-cratetest
@@ -0,0 +1 @@
+090467bb01666943
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/bin-cratetest.json b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/bin-cratetest.json
new file mode 100644
index 0000000..b2107c1
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/bin-cratetest.json
@@ -0,0 +1 @@
+{"rustc":3062648155896360161,"features":"[]","declared_features":"[]","target":15519478794282214699,"profile":17672942494452627365,"path":4942398508502643691,"deps":[[198839618041740247,"cratetest",false,18430654450331647994]],"local":[{"CheckDepInfo":{"dep_info":"debug\\.fingerprint\\cratetest-d257ba26dc831c10\\dep-bin-cratetest","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/dep-bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/dep-bin-cratetest
new file mode 100644
index 0000000..696a197
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/dep-bin-cratetest differ
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/invoked.timestamp b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/output-bin-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/output-bin-cratetest
new file mode 100644
index 0000000..ab25eb5
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-d257ba26dc831c10/output-bin-cratetest
@@ -0,0 +1,9 @@
+{"$message_type":"diagnostic","message":"struct `Info` is never constructed","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\ordinary.rs","byte_start":33,"byte_end":37,"line_start":2,"line_end":2,"column_start":16,"column_end":20,"is_primary":true,"text":[{"text":"    pub struct Info{","highlight_start":16,"highlight_end":20}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: struct `Info` is never constructed\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\ordinary.rs:2:16\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m2\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    pub struct Info{\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m= \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"methods `init` and `getinfo` are never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\ordinary.rs","byte_start":92,"byte_end":101,"line_start":6,"line_end":6,"column_start":5,"column_end":14,"is_primary":false,"text":[{"text":"    impl Info{","highlight_start":5,"highlight_end":14}],"label":"methods in this implementation","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\ordinary.rs","byte_start":119,"byte_end":123,"line_start":7,"line_end":7,"column_start":16,"column_end":20,"is_primary":true,"text":[{"text":"        pub fn init(&self, word: String, num: i64) -> Self {","highlight_start":16,"highlight_end":20}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\ordinary.rs","byte_start":224,"byte_end":231,"line_start":10,"line_end":10,"column_start":16,"column_end":23,"is_primary":true,"text":[{"text":"        pub fn getinfo(&self){","highlight_start":16,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: methods `init` and `getinfo` are never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\ordinary.rs:7:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m6\u001b[0m\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    impl Info{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m     \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m---------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mmethods in this implementation\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m7\u001b[0m\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn init(&self, word: String, num: i64) -> Self {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m...\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m10\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn getinfo(&self){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"constant `MAX_NUM` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":58,"byte_end":65,"line_start":3,"line_end":3,"column_start":19,"column_end":26,"is_primary":true,"text":[{"text":"        pub const MAX_NUM:i64 = 120; //check中且不能改","highlight_start":19,"highlight_end":26}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: constant `MAX_NUM` is never used\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:3:19\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m3\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub const MAX_NUM:i64 = 120; //check中且不能改\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"static `NUM` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":124,"byte_end":127,"line_start":4,"line_end":4,"column_start":24,"column_end":27,"is_primary":true,"text":[{"text":"        pub static mut NUM:i64 = 30; //必须用unsafe","highlight_start":24,"highlight_end":27}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: static `NUM` is never used\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:4:24\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m4\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub static mut NUM:i64 = 30; //必须用unsafe\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                        \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"fields `num`, `name`, and `age` are never read","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":230,"byte_end":239,"line_start":6,"line_end":6,"column_start":20,"column_end":29,"is_primary":false,"text":[{"text":"        pub struct Container{","highlight_start":20,"highlight_end":29}],"label":"fields in this struct","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":254,"byte_end":257,"line_start":7,"line_end":7,"column_start":13,"column_end":16,"is_primary":true,"text":[{"text":"            num: i64,","highlight_start":13,"highlight_end":16}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":277,"byte_end":281,"line_start":8,"line_end":8,"column_start":13,"column_end":17,"is_primary":true,"text":[{"text":"            name: String,","highlight_start":13,"highlight_end":17}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":304,"byte_end":307,"line_start":9,"line_end":9,"column_start":13,"column_end":16,"is_primary":true,"text":[{"text":"            age: i64,","highlight_start":13,"highlight_end":16}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: fields `num`, `name`, and `age` are never read\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:7:13\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m6\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub struct Container{\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m---------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mfields in this struct\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m7\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            num: i64,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m8\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            name: String,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m9\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            age: i64,\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m             \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"methods `init_self` and `num` are never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":358,"byte_end":372,"line_start":12,"line_end":12,"column_start":9,"column_end":23,"is_primary":false,"text":[{"text":"        impl Container  {","highlight_start":9,"highlight_end":23}],"label":"methods in this implementation","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":396,"byte_end":405,"line_start":13,"line_end":13,"column_start":20,"column_end":29,"is_primary":true,"text":[{"text":"            pub fn init_self(&mut self, num_:i64, name_:String, age_:i64, score_:f64){","highlight_start":20,"highlight_end":29}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src\\student\\monitor.rs","byte_start":794,"byte_end":797,"line_start":22,"line_end":22,"column_start":20,"column_end":23,"is_primary":true,"text":[{"text":"            pub fn num(&self) -> i64{","highlight_start":20,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: methods `init_self` and `num` are never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:13:20\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m12\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        impl Container  {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m         \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--------------\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14mmethods in this implementation\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m13\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            pub fn init_self(&mut self, num_:i64, name_:String, age_:i64, score_:f64){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^^^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m...\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m22\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m            pub fn num(&self) -> i64{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"function `max_num` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":985,"byte_end":992,"line_start":29,"line_end":29,"column_start":16,"column_end":23,"is_primary":true,"text":[{"text":"        pub fn max_num() -> i64{","highlight_start":16,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: function `max_num` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:29:16\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m29\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m        pub fn max_num() -> i64{\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m                \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"function `not_allowed` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src\\student\\monitor.rs","byte_start":1293,"byte_end":1304,"line_start":43,"line_end":43,"column_start":12,"column_end":23,"is_primary":true,"text":[{"text":"    pub fn not_allowed(){","highlight_start":12,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: function `not_allowed` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m--> \u001b[0m\u001b[0msrc\\student\\monitor.rs:43:12\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14m43\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    pub fn not_allowed(){\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m|\u001b[0m\u001b[0m            \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;11m^^^^^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"8 warnings emitted","code":null,"level":"warning","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;11mwarning\u001b[0m\u001b[0m\u001b[1m\u001b[38;5;15m: 8 warnings emitted\u001b[0m\n\n"}
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/dep-lib-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/dep-lib-cratetest
new file mode 100644
index 0000000..02bca30
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/dep-lib-cratetest differ
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/invoked.timestamp b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/lib-cratetest b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/lib-cratetest
new file mode 100644
index 0000000..f950572
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/lib-cratetest
@@ -0,0 +1 @@
+88dd02202d1f71fd
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/lib-cratetest.json b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/lib-cratetest.json
new file mode 100644
index 0000000..6fd3fb1
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/.fingerprint/cratetest-e02f2472706cb861/lib-cratetest.json
@@ -0,0 +1 @@
+{"rustc":3062648155896360161,"features":"[]","declared_features":"[]","target":7479634845804353691,"profile":8731458305071235362,"path":10763286916239946207,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug\\.fingerprint\\cratetest-e02f2472706cb861\\dep-lib-cratetest","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}
\ No newline at end of file
diff --git a/Package-Crate/cratetest/target/debug/cratetest.d b/Package-Crate/cratetest/target/debug/cratetest.d
new file mode 100644
index 0000000..ee98ff1
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/cratetest.d
@@ -0,0 +1 @@
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\cratetest.exe: D:\code\Git-Rust\Package-Crate\cratetest\src\lib.rs D:\code\Git-Rust\Package-Crate\cratetest\src\main.rs D:\code\Git-Rust\Package-Crate\cratetest\src\student\mod.rs D:\code\Git-Rust\Package-Crate\cratetest\src\student\monitor.rs D:\code\Git-Rust\Package-Crate\cratetest\src\student\ordinary.rs
diff --git a/Package-Crate/cratetest/target/debug/cratetest.exe b/Package-Crate/cratetest/target/debug/cratetest.exe
new file mode 100644
index 0000000..2ab71b1
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/cratetest.exe differ
diff --git a/Package-Crate/cratetest/target/debug/cratetest.pdb b/Package-Crate/cratetest/target/debug/cratetest.pdb
new file mode 100644
index 0000000..8a4ba02
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/cratetest.pdb differ
diff --git a/Package-Crate/cratetest/target/debug/deps/cratetest-18245caf720d90fc.d b/Package-Crate/cratetest/target/debug/deps/cratetest-18245caf720d90fc.d
new file mode 100644
index 0000000..0a274b9
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/deps/cratetest-18245caf720d90fc.d
@@ -0,0 +1,8 @@
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\cratetest-18245caf720d90fc.d: src\main.rs src\student\mod.rs src\student\ordinary.rs src\student\monitor.rs
+
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\libcratetest-18245caf720d90fc.rmeta: src\main.rs src\student\mod.rs src\student\ordinary.rs src\student\monitor.rs
+
+src\main.rs:
+src\student\mod.rs:
+src\student\ordinary.rs:
+src\student\monitor.rs:
diff --git a/Package-Crate/cratetest/target/debug/deps/cratetest-99ce758d585dbfb5.d b/Package-Crate/cratetest/target/debug/deps/cratetest-99ce758d585dbfb5.d
new file mode 100644
index 0000000..02fcccb
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/deps/cratetest-99ce758d585dbfb5.d
@@ -0,0 +1,5 @@
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\cratetest-99ce758d585dbfb5.d: src\lib.rs
+
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\libcratetest-99ce758d585dbfb5.rmeta: src\lib.rs
+
+src\lib.rs:
diff --git a/Package-Crate/cratetest/target/debug/deps/cratetest-ad4fb1e3517573b1.d b/Package-Crate/cratetest/target/debug/deps/cratetest-ad4fb1e3517573b1.d
new file mode 100644
index 0000000..7d71701
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/deps/cratetest-ad4fb1e3517573b1.d
@@ -0,0 +1,5 @@
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\cratetest-ad4fb1e3517573b1.d: src\lib.rs
+
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\libcratetest-ad4fb1e3517573b1.rmeta: src\lib.rs
+
+src\lib.rs:
diff --git a/Package-Crate/cratetest/target/debug/deps/cratetest-d257ba26dc831c10.d b/Package-Crate/cratetest/target/debug/deps/cratetest-d257ba26dc831c10.d
new file mode 100644
index 0000000..3237f50
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/deps/cratetest-d257ba26dc831c10.d
@@ -0,0 +1,8 @@
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\cratetest-d257ba26dc831c10.d: src\main.rs src\student\mod.rs src\student\ordinary.rs src\student\monitor.rs
+
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\libcratetest-d257ba26dc831c10.rmeta: src\main.rs src\student\mod.rs src\student\ordinary.rs src\student\monitor.rs
+
+src\main.rs:
+src\student\mod.rs:
+src\student\ordinary.rs:
+src\student\monitor.rs:
diff --git a/Package-Crate/cratetest/target/debug/deps/cratetest-e02f2472706cb861.d b/Package-Crate/cratetest/target/debug/deps/cratetest-e02f2472706cb861.d
new file mode 100644
index 0000000..7d4b132
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/deps/cratetest-e02f2472706cb861.d
@@ -0,0 +1,7 @@
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\cratetest-e02f2472706cb861.d: src\lib.rs
+
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\libcratetest-e02f2472706cb861.rlib: src\lib.rs
+
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\libcratetest-e02f2472706cb861.rmeta: src\lib.rs
+
+src\lib.rs:
diff --git a/Package-Crate/cratetest/target/debug/deps/cratetest.d b/Package-Crate/cratetest/target/debug/deps/cratetest.d
new file mode 100644
index 0000000..7dfdafd
--- /dev/null
+++ b/Package-Crate/cratetest/target/debug/deps/cratetest.d
@@ -0,0 +1,8 @@
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\cratetest.d: src\main.rs src\student\mod.rs src\student\ordinary.rs src\student\monitor.rs
+
+D:\code\Git-Rust\Package-Crate\cratetest\target\debug\deps\cratetest.exe: src\main.rs src\student\mod.rs src\student\ordinary.rs src\student\monitor.rs
+
+src\main.rs:
+src\student\mod.rs:
+src\student\ordinary.rs:
+src\student\monitor.rs:
diff --git a/Package-Crate/cratetest/target/debug/deps/cratetest.exe b/Package-Crate/cratetest/target/debug/deps/cratetest.exe
new file mode 100644
index 0000000..2ab71b1
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/deps/cratetest.exe differ
diff --git a/Package-Crate/cratetest/target/debug/deps/cratetest.pdb b/Package-Crate/cratetest/target/debug/deps/cratetest.pdb
new file mode 100644
index 0000000..8a4ba02
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/deps/cratetest.pdb differ
diff --git a/Package-Crate/cratetest/target/debug/deps/libcratetest-18245caf720d90fc.rmeta b/Package-Crate/cratetest/target/debug/deps/libcratetest-18245caf720d90fc.rmeta
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/deps/libcratetest-99ce758d585dbfb5.rmeta b/Package-Crate/cratetest/target/debug/deps/libcratetest-99ce758d585dbfb5.rmeta
new file mode 100644
index 0000000..35ceede
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/deps/libcratetest-99ce758d585dbfb5.rmeta differ
diff --git a/Package-Crate/cratetest/target/debug/deps/libcratetest-ad4fb1e3517573b1.rmeta b/Package-Crate/cratetest/target/debug/deps/libcratetest-ad4fb1e3517573b1.rmeta
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/deps/libcratetest-d257ba26dc831c10.rmeta b/Package-Crate/cratetest/target/debug/deps/libcratetest-d257ba26dc831c10.rmeta
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/deps/libcratetest-e02f2472706cb861.rlib b/Package-Crate/cratetest/target/debug/deps/libcratetest-e02f2472706cb861.rlib
new file mode 100644
index 0000000..0df1776
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/deps/libcratetest-e02f2472706cb861.rlib differ
diff --git a/Package-Crate/cratetest/target/debug/deps/libcratetest-e02f2472706cb861.rmeta b/Package-Crate/cratetest/target/debug/deps/libcratetest-e02f2472706cb861.rmeta
new file mode 100644
index 0000000..0245d6b
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/deps/libcratetest-e02f2472706cb861.rmeta differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/dep-graph.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/dep-graph.bin
new file mode 100644
index 0000000..af65067
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/dep-graph.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/query-cache.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/query-cache.bin
new file mode 100644
index 0000000..675b51b
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/query-cache.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/work-products.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/work-products.bin
new file mode 100644
index 0000000..f6a2530
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak-77tfyz7n23uzcocm75a4ntzac/work-products.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak.lock b/Package-Crate/cratetest/target/debug/incremental/cratetest-03pbxftdn2rkz/s-hbq1zenu1j-1kjnaak.lock
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/dep-graph.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/dep-graph.bin
new file mode 100644
index 0000000..27c0b22
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/dep-graph.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/query-cache.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/query-cache.bin
new file mode 100644
index 0000000..689fc24
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/query-cache.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/work-products.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/work-products.bin
new file mode 100644
index 0000000..f6a2530
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x-5hjtohhr4hmkjord389qq2ktb/work-products.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x.lock b/Package-Crate/cratetest/target/debug/incremental/cratetest-1wp4yc546kbfq/s-hbq1zenu04-0y7bo6x.lock
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/8zyhd5bvdam71otjotfbznhfx.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/8zyhd5bvdam71otjotfbznhfx.o
new file mode 100644
index 0000000..e3d9ba3
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/8zyhd5bvdam71otjotfbznhfx.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/dep-graph.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/dep-graph.bin
new file mode 100644
index 0000000..f67ca14
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/dep-graph.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/query-cache.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/query-cache.bin
new file mode 100644
index 0000000..27cc6af
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/query-cache.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/work-products.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/work-products.bin
new file mode 100644
index 0000000..b70f9ed
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5-4k4kkqtp1z203ydxi24v3hs38/work-products.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5.lock b/Package-Crate/cratetest/target/debug/incremental/cratetest-204nz26uxe81l/s-hbq1shrlk8-050uue5.lock
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/dep-graph.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/dep-graph.bin
new file mode 100644
index 0000000..484f4b4
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/dep-graph.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/query-cache.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/query-cache.bin
new file mode 100644
index 0000000..eca920d
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/query-cache.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/work-products.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/work-products.bin
new file mode 100644
index 0000000..f6a2530
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou-8bowumm5f8fc062j8azg1140v/work-products.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou.lock b/Package-Crate/cratetest/target/debug/incremental/cratetest-2ptam1x4g96cw/s-hbq1jdat7r-0n4r5ou.lock
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0vi9q6ylbs2wlzlz59ujiy3u7.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0vi9q6ylbs2wlzlz59ujiy3u7.o
new file mode 100644
index 0000000..db1d592
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0vi9q6ylbs2wlzlz59ujiy3u7.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0xv6xqbpr5qjp7aukp7x5pokv.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0xv6xqbpr5qjp7aukp7x5pokv.o
new file mode 100644
index 0000000..eda09ce
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0xv6xqbpr5qjp7aukp7x5pokv.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0y1fwhmo7cmcek87rbmg55mgx.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0y1fwhmo7cmcek87rbmg55mgx.o
new file mode 100644
index 0000000..a9f5cf3
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/0y1fwhmo7cmcek87rbmg55mgx.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/1bvcwirrdvjk6cxv67221hz3n.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/1bvcwirrdvjk6cxv67221hz3n.o
new file mode 100644
index 0000000..83bfab8
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/1bvcwirrdvjk6cxv67221hz3n.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/2bc0hl4fnbh783ta3tf5gpx4r.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/2bc0hl4fnbh783ta3tf5gpx4r.o
new file mode 100644
index 0000000..e567b9c
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/2bc0hl4fnbh783ta3tf5gpx4r.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/3zb996wh2apny9eywyuvizj9i.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/3zb996wh2apny9eywyuvizj9i.o
new file mode 100644
index 0000000..01f60df
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/3zb996wh2apny9eywyuvizj9i.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/4g10r3e23c4p5aopz0apfug3r.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/4g10r3e23c4p5aopz0apfug3r.o
new file mode 100644
index 0000000..469fbfb
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/4g10r3e23c4p5aopz0apfug3r.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/4j8s392ug42harpyii4svtxrw.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/4j8s392ug42harpyii4svtxrw.o
new file mode 100644
index 0000000..8fad6a9
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/4j8s392ug42harpyii4svtxrw.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/55pvvlr5aysyyi4dv7vy2lb3l.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/55pvvlr5aysyyi4dv7vy2lb3l.o
new file mode 100644
index 0000000..0505daf
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/55pvvlr5aysyyi4dv7vy2lb3l.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/6ybjoho33xskpylia8u8uu7mm.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/6ybjoho33xskpylia8u8uu7mm.o
new file mode 100644
index 0000000..e879427
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/6ybjoho33xskpylia8u8uu7mm.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/898pzonua0v8jb9cnomiski2d.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/898pzonua0v8jb9cnomiski2d.o
new file mode 100644
index 0000000..89acb6a
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/898pzonua0v8jb9cnomiski2d.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/8owc18cpaeiq8gwz7cz6yzgn9.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/8owc18cpaeiq8gwz7cz6yzgn9.o
new file mode 100644
index 0000000..35da764
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/8owc18cpaeiq8gwz7cz6yzgn9.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/ax5s5ao97fxe441onft72a6xw.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/ax5s5ao97fxe441onft72a6xw.o
new file mode 100644
index 0000000..11157bc
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/ax5s5ao97fxe441onft72a6xw.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/aypmsd8vavmqfaqlfqm3lh4lq.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/aypmsd8vavmqfaqlfqm3lh4lq.o
new file mode 100644
index 0000000..e6a5bc4
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/aypmsd8vavmqfaqlfqm3lh4lq.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/b65tbnt03l0n9o3f2z95rboj9.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/b65tbnt03l0n9o3f2z95rboj9.o
new file mode 100644
index 0000000..0be92cb
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/b65tbnt03l0n9o3f2z95rboj9.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/c86kvbgscnjmwqch3xavvb0tm.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/c86kvbgscnjmwqch3xavvb0tm.o
new file mode 100644
index 0000000..19d7ad9
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/c86kvbgscnjmwqch3xavvb0tm.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/cc173fzbsydg62lhteykb1rm1.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/cc173fzbsydg62lhteykb1rm1.o
new file mode 100644
index 0000000..b5ae598
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/cc173fzbsydg62lhteykb1rm1.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/d6ohs1ppam1p9czcsm7cyvrku.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/d6ohs1ppam1p9czcsm7cyvrku.o
new file mode 100644
index 0000000..37934db
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/d6ohs1ppam1p9czcsm7cyvrku.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/dep-graph.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/dep-graph.bin
new file mode 100644
index 0000000..433eab3
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/dep-graph.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/e8kbvznm5uw9pbqq4qt9mlf70.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/e8kbvznm5uw9pbqq4qt9mlf70.o
new file mode 100644
index 0000000..37b9ce2
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/e8kbvznm5uw9pbqq4qt9mlf70.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/f0bl7gty37slsqkas4mvgmd6r.o b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/f0bl7gty37slsqkas4mvgmd6r.o
new file mode 100644
index 0000000..1dd2aec
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/f0bl7gty37slsqkas4mvgmd6r.o differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/query-cache.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/query-cache.bin
new file mode 100644
index 0000000..e830cfe
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/query-cache.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/work-products.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/work-products.bin
new file mode 100644
index 0000000..bb0b0d0
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78-59ogliy9v6rk8ttqi8v3f4i2r/work-products.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78.lock b/Package-Crate/cratetest/target/debug/incremental/cratetest-3bralj8rt8wxr/s-hbq1zgnkee-0shtt78.lock
new file mode 100644
index 0000000..e69de29
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/dep-graph.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/dep-graph.bin
new file mode 100644
index 0000000..9d3ffd0
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/dep-graph.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/query-cache.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/query-cache.bin
new file mode 100644
index 0000000..b87250f
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/query-cache.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/work-products.bin b/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/work-products.bin
new file mode 100644
index 0000000..f6a2530
Binary files /dev/null and b/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix-0270iyjbc6ewzifzevzx52g14/work-products.bin differ
diff --git a/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix.lock b/Package-Crate/cratetest/target/debug/incremental/cratetest-3mj17ga16yyi0/s-hbq1jdat8b-1rfqvix.lock
new file mode 100644
index 0000000..e69de29
diff --git a/Trait/readme.md b/Trait/readme.md
new file mode 100644
index 0000000..72f6477
--- /dev/null
+++ b/Trait/readme.md
@@ -0,0 +1,288 @@
+非常好 👍！
+`trait` 是 Rust 中非常核心、非常强大的概念之一，几乎等价于 C++ 的「接口（interface）」或「抽象基类（abstract base class）」，
+但 Rust 的 `trait` 更安全、更灵活、还能与泛型深度结合。
+
+下面我们来**从直觉 → 语法 → 实战 → 泛型结合 → 高级技巧**系统地讲清楚 Rust 的 `trait` 怎么用。
+
+---
+
+## 🧩 一、Trait 是什么？
+
+一句话解释：
+
+> **Trait 定义了一组类型必须实现的“能力”或“行为”**。
+
+比如“能打印”、“能比较大小”、“能移动”等行为，都可以用 `trait` 定义。
+
+---
+
+## 🧠 二、最简单的 trait 示例
+
+```rust
+trait Summary {
+    fn summarize(&self) -> String;
+}
+```
+
+上面定义了一个 `Summary` 特征（trait），它表示“这个类型能生成一个概要字符串”。
+
+任何想拥有这个功能的类型，都要实现它。
+
+---
+
+## 💡 三、为结构体实现 trait
+
+```rust
+struct NewsArticle {
+    title: String,
+    author: String,
+    content: String,
+}
+
+impl Summary for NewsArticle {
+    fn summarize(&self) -> String {
+        format!("{} by {}", self.title, self.author)
+    }
+}
+```
+
+现在，`NewsArticle` 类型就有了 `.summarize()` 方法：
+
+```rust
+fn main() {
+    let article = NewsArticle {
+        title: String::from("Rust trait 学习指南"),
+        author: String::from("Evan"),
+        content: String::from("内容..."),
+    };
+
+    println!("{}", article.summarize());
+}
+```
+
+✅ 输出：
+
+```
+Rust trait 学习指南 by Evan
+```
+
+---
+
+## 🔧 四、Trait = 行为接口（类比 C++）
+
+| 概念   | Rust                             | C++ 类似                                       |
+| ---- | -------------------------------- | -------------------------------------------- |
+| 定义接口 | `trait Summary { ... }`          | `class Summary { virtual ... = 0; }`         |
+| 实现接口 | `impl Summary for NewsArticle`   | `class NewsArticle : public Summary { ... }` |
+| 调用接口 | `item.summarize()`               | `item.summarize()`                           |
+| 多态传参 | `fn notify(item: &impl Summary)` | `void notify(const Summary& item)`           |
+
+---
+
+## ⚙️ 五、trait 作为函数参数（多态）
+
+```rust
+fn notify(item: &impl Summary) {
+    println!("Breaking news! {}", item.summarize());
+}
+```
+
+这个函数可以接受**任何实现了 `Summary` 的类型**：
+
+```rust
+let article = NewsArticle {
+    title: String::from("Rust 1.80 发布！"),
+    author: String::from("官方"),
+    content: String::from("..."),
+};
+
+notify(&article);
+```
+
+---
+
+## 🔄 六、与泛型结合的写法
+
+等价的更通用写法是：
+
+```rust
+fn notify<T: Summary>(item: &T) {
+    println!("Breaking news! {}", item.summarize());
+}
+```
+
+这两种写法效果一致：
+
+* `fn foo(x: &impl Trait)`：语法糖
+* `fn foo<T: Trait>(x: &T)`：完整泛型写法，可组合多个 trait
+
+---
+
+## 🧩 七、多个 trait 约束
+
+如果希望一个类型实现多个 trait 才能传入：
+
+```rust
+fn show<T: Summary + Clone>(item: &T) {
+    println!("{}", item.summarize());
+}
+```
+
+或者更清晰的写法：
+
+```rust
+fn show<T>(item: &T)
+where
+    T: Summary + Clone,
+{
+    println!("{}", item.summarize());
+}
+```
+
+---
+
+## 🔁 八、Trait 默认实现
+
+trait 还可以提供**默认方法实现**：
+
+```rust
+trait Summary {
+    fn summarize(&self) -> String {
+        String::from("(Read more...)")
+    }
+}
+```
+
+实现时可以选择覆盖它：
+
+```rust
+impl Summary for NewsArticle {
+    // 也可以不写 summarize()，直接用默认实现
+}
+```
+
+---
+
+## 🧩 九、返回实现 trait 的类型（impl Trait 返回）
+
+函数也可以**返回实现某个 trait 的类型**：
+
+```rust
+fn make_article() -> impl Summary {
+    NewsArticle {
+        title: String::from("Hello"),
+        author: String::from("Rust"),
+        content: String::from("..."),
+    }
+}
+```
+
+这里的 `impl Summary` 意思是“返回一个实现了 `Summary` 的对象”，
+但不能同时返回多种不同类型（必须一致）。
+
+---
+
+## 💥 十、trait 对象（动态分发）
+
+如果你希望“一个变量”能存放**多种类型但都有共同 trait**，用 `Box<dyn Trait>`：
+
+```rust
+fn main() {
+    let article = NewsArticle {
+        title: String::from("Rust"),
+        author: String::from("Evan"),
+        content: String::from("..."),
+    };
+
+    let tweet = Tweet {
+        username: String::from("rustacean"),
+        content: String::from("trait 太强了"),
+    };
+
+    let items: Vec<Box<dyn Summary>> = vec![
+        Box::new(article),
+        Box::new(tweet),
+    ];
+
+    for i in items {
+        println!("{}", i.summarize());
+    }
+}
+```
+
+这就类似于 C++ 的虚函数表（vtable）动态多态。
+
+---
+
+## 🧩 十一、完整例子（trait、泛型、多态一起）
+
+```rust
+trait Summary {
+    fn summarize(&self) -> String;
+}
+
+struct NewsArticle {
+    title: String,
+    author: String,
+}
+
+struct Tweet {
+    username: String,
+    content: String,
+}
+
+impl Summary for NewsArticle {
+    fn summarize(&self) -> String {
+        format!("{} by {}", self.title, self.author)
+    }
+}
+
+impl Summary for Tweet {
+    fn summarize(&self) -> String {
+        format!("@{}: {}", self.username, self.content)
+    }
+}
+
+fn notify<T: Summary>(item: &T) {
+    println!("Breaking news! {}", item.summarize());
+}
+
+fn main() {
+    let tweet = Tweet {
+        username: String::from("EvanZ"),
+        content: String::from("Rust trait 学到了！"),
+    };
+    let article = NewsArticle {
+        title: String::from("学习 Rust 的一天"),
+        author: String::from("Evan"),
+    };
+
+    notify(&tweet);
+    notify(&article);
+}
+```
+
+输出：
+
+```
+Breaking news! @EvanZ: Rust trait 学到了！
+Breaking news! 学习 Rust 的一天 by Evan
+```
+
+---
+
+## ✅ 十二、总结表
+
+| 功能       | 语法                                               | 含义               |
+| -------- | ------------------------------------------------ | ---------------- |
+| 定义 trait | `trait TraitName { fn func(&self); }`            | 定义行为接口           |
+| 实现 trait | `impl TraitName for Type { ... }`                | 给类型实现行为          |
+| 参数约束     | `fn f<T: Trait>(t: &T)` 或 `fn f(t: &impl Trait)` | 仅接受实现了 Trait 的类型 |
+| 多 trait  | `T: TraitA + TraitB`                             | 同时要求多个行为         |
+| 返回 trait | `-> impl Trait`                                  | 返回实现了该行为的类型      |
+| 动态多态     | `Box<dyn Trait>`                                 | 在运行时存放不同实现       |
+| 默认实现     | `fn func(&self) { ... }`                         | 允许被覆盖或继承默认功能     |
+
+---
+
+是否希望我接着讲讲 **trait 与泛型的底层机制**（即静态分发 vs 动态分发的区别），包括它们的性能差异与编译原理？（这部分对理解 Rust trait 的“真功夫”非常有帮助）
diff --git a/std/readme.md b/std/readme.md
new file mode 100644
index 0000000..ddbd6bb
--- /dev/null
+++ b/std/readme.md
@@ -0,0 +1,304 @@
+当然可以 👍
+Rust 的 **`std`（标准库，standard library）** 是整个语言生态的核心组成部分，它提供了 **语言运行时支持、内存管理、集合、I/O、并发、系统接口、错误处理、数值计算** 等几乎所有基础功能。
+我可以帮你系统地、分层地介绍一遍「`std` 的全貌 + 每个模块的主要功能 + 常用类型和技巧」。
+
+---
+
+## 🧱 一、`std` 总体结构
+
+Rust 标准库的顶层结构大体可以分为以下几层：
+
+| 层级                | 模块                                                                                            | 说明                                                                              |
+| ----------------- | --------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------- |
+| **基础层**           | `std::marker`, `std::mem`, `std::ptr`, `std::cell`, `std::rc`, `std::sync`                    | 管理内存、引用、生命周期、并发引用计数等底层特性                                                        |
+| **语言支持层**         | `std::ops`, `std::convert`, `std::cmp`, `std::clone`, `std::fmt`, `std::default`, `std::hash` | 实现语言语义所需的 trait（加减乘除、比较、拷贝、格式化、哈希等）                                             |
+| **基础类型层**         | `std::option`, `std::result`, `std::string`, `std::vec`, `std::boxed`, `std::collections`     | 基本容器和控制结构                                                                       |
+| **系统接口层**         | `std::fs`, `std::io`, `std::env`, `std::process`, `std::path`, `std::time`, `std::net`        | 系统 I/O、文件系统、环境变量、网络、进程、时间等                                                      |
+| **并发层**           | `std::thread`, `std::sync`, `std::sync::mpsc`, `std::sync::atomic`                            | 多线程、通道通信、同步原语                                                                   |
+| **错误与调试层**        | `std::error`, `std::panic`, `std::backtrace`, `std::dbg!`                                     | 错误处理、panic 栈回溯、调试工具                                                             |
+| **预导入层（prelude）** | `std::prelude::v1`                                                                            | 默认导入到每个作用域的常用类型，如 `Option`, `Result`, `Vec`, `Box`, `String`, `Clone`, `Drop` 等 |
+| **运行时支持层**        | `std::process`, `std::alloc`, `std::thread::panicking`                                        | 运行时内存分配、程序退出、panic 处理                                                           |
+
+---
+
+## 🧩 二、核心模块详解
+
+### 1. `std::prelude`
+
+Rust 每个文件默认导入：
+
+```rust
+use std::prelude::v1::*;
+```
+
+包含：
+
+* 基本类型别名：`Box`, `Vec`, `String`
+* 常用 traits：`Clone`, `Copy`, `Drop`, `PartialEq`, `PartialOrd`, `Iterator`, `From`, `Into`, `Default`
+* 基本枚举：`Option`, `Result`
+
+---
+
+### 2. `std::io` —— 输入输出系统
+
+主要结构：
+
+* **Traits**
+
+  * `Read`、`Write`：流式读写
+  * `BufRead`：带缓冲的读取
+  * `Seek`：文件定位
+* **常用类型**
+
+  * `stdin()`, `stdout()`, `stderr()`
+  * `Cursor`：让字节缓冲区当作文件使用
+* **示例**
+
+  ```rust
+  use std::io::{self, Write};
+
+  fn main() {
+      print!("请输入名字：");
+      io::stdout().flush().unwrap();
+      let mut name = String::new();
+      io::stdin().read_line(&mut name).unwrap();
+      println!("你好，{}!", name.trim());
+  }
+  ```
+
+---
+
+### 3. `std::fs` —— 文件系统
+
+* `File`：文件读写
+* `read_to_string()`：快速读取文件
+* `write()`：写文件
+* `metadata()`：文件信息
+* `create_dir_all()`：创建多层目录
+* **示例**
+
+  ```rust
+  use std::fs;
+
+  fn main() {
+      fs::write("hello.txt", "Hello, world!").unwrap();
+      let s = fs::read_to_string("hello.txt").unwrap();
+      println!("{}", s);
+  }
+  ```
+
+---
+
+### 4. `std::env`
+
+* 环境变量：`env::var("PATH")`
+* 命令行参数：`env::args()`
+* 当前路径：`env::current_dir()`
+* **示例**
+
+  ```rust
+  use std::env;
+  fn main() {
+      for arg in env::args() {
+          println!("参数: {arg}");
+      }
+  }
+  ```
+
+---
+
+### 5. `std::thread` + `std::sync` —— 并发
+
+* **`thread::spawn`**：创建线程
+* **`join`**：等待线程结束
+* **`Mutex` / `RwLock`**：锁机制
+* **`Arc<T>`**：原子引用计数
+* **`mpsc`**：多生产者单消费者通道
+* **示例**
+
+  ```rust
+  use std::thread;
+  use std::sync::{Arc, Mutex};
+
+  fn main() {
+      let counter = Arc::new(Mutex::new(0));
+      let mut handles = vec![];
+
+      for _ in 0..10 {
+          let counter = Arc::clone(&counter);
+          let handle = thread::spawn(move || {
+              let mut num = counter.lock().unwrap();
+              *num += 1;
+          });
+          handles.push(handle);
+      }
+
+      for h in handles {
+          h.join().unwrap();
+      }
+
+      println!("结果: {}", *counter.lock().unwrap());
+  }
+  ```
+
+---
+
+### 6. `std::collections` —— 集合容器
+
+主要类型：
+
+* `VecDeque`（双端队列）
+* `LinkedList`
+* `HashMap`, `HashSet`
+* `BTreeMap`, `BTreeSet`（有序）
+* **常用方法：**
+
+  * `insert`, `get`, `remove`, `entry`
+
+  ```rust
+  use std::collections::HashMap;
+
+  fn main() {
+      let mut scores = HashMap::new();
+      scores.insert("Alice", 90);
+      scores.insert("Bob", 85);
+      println!("{:?}", scores.get("Alice"));
+  }
+  ```
+
+---
+
+### 7. `std::option` & `std::result`
+
+* **`Option<T>`**: 可能有值，也可能没有
+* **`Result<T, E>`**: 成功/失败的封装
+* 关键方法：
+
+  * `.unwrap()`, `.unwrap_or()`, `.map()`, `.and_then()`
+  * `.ok()`, `.err()`, `.expect()`
+
+  ```rust
+  fn div(a: f64, b: f64) -> Result<f64, &'static str> {
+      if b == 0.0 { Err("除数不能为0") }
+      else { Ok(a / b) }
+  }
+  ```
+
+---
+
+### 8. `std::path` & `std::process` & `std::time`
+
+* `Path`, `PathBuf`：路径处理
+* `Command`：运行外部命令
+* `Instant`, `Duration`, `SystemTime`：时间测量
+
+  ```rust
+  use std::process::Command;
+  fn main() {
+      let out = Command::new("echo").arg("Hello").output().unwrap();
+      println!("{}", String::from_utf8_lossy(&out.stdout));
+  }
+  ```
+
+---
+
+### 9. `std::sync::atomic`
+
+* 原子操作（无锁）
+
+  * `AtomicBool`, `AtomicI32`, `AtomicUsize` 等
+  * 操作：`load()`, `store()`, `fetch_add()`, `compare_exchange()`
+
+  ```rust
+  use std::sync::atomic::{AtomicUsize, Ordering};
+  static COUNTER: AtomicUsize = AtomicUsize::new(0);
+  fn main() {
+      COUNTER.fetch_add(1, Ordering::SeqCst);
+  }
+  ```
+
+---
+
+### 10. `std::net`
+
+* `TcpStream`, `TcpListener`
+* `UdpSocket`
+* `ToSocketAddrs`
+
+  ```rust
+  use std::net::TcpListener;
+  fn main() -> std::io::Result<()> {
+      let listener = TcpListener::bind("127.0.0.1:8080")?;
+      for stream in listener.incoming() {
+          println!("连接: {:?}", stream?);
+      }
+      Ok(())
+  }
+  ```
+
+---
+
+### 11. `std::error`, `std::panic`, `std::backtrace`
+
+* `Error` trait：所有错误类型实现
+* `panic!()`：触发不可恢复错误
+* `catch_unwind()`：捕获 panic
+* `backtrace::Backtrace`：调试栈信息
+
+---
+
+### 12. `std::mem` & `std::ptr` —— 底层内存操作
+
+* `mem::swap`, `mem::take`, `mem::replace`
+* `ptr::null`, `ptr::copy`, `ptr::write`
+* 这些是「unsafe」核心模块，支撑 `Vec`, `Box` 等容器的实现。
+
+---
+
+## 🧮 三、一些常用顶层类型
+
+| 类型                                 | 用途            |
+| ---------------------------------- | ------------- |
+| `String` / `&str`                  | UTF-8 字符串     |
+| `Vec<T>`                           | 动态数组          |
+| `Box<T>`                           | 堆分配的对象        |
+| `Rc<T>` / `Arc<T>`                 | 引用计数（单线程/多线程） |
+| `Mutex<T>` / `RwLock<T>`           | 同步锁           |
+| `HashMap<K, V>` / `BTreeMap<K, V>` | 字典映射          |
+| `Option<T>` / `Result<T, E>`       | 控制流程          |
+| `thread::JoinHandle<T>`            | 线程句柄          |
+| `Duration` / `Instant`             | 时间度量          |
+
+---
+
+## 🧭 四、`std` 与 `core` / `alloc` 的关系
+
+Rust 标准库其实分三层：
+
+1. **`core`**：最基础层（无堆内存、无操作系统），适用于 `no_std` 环境。
+2. **`alloc`**：提供堆分配支持，如 `Box`, `Vec`, `String`。
+3. **`std`**：在前两者之上 + 操作系统 API + I/O + 并发。
+
+结构如下：
+
+```
+core ──→ alloc ──→ std
+```
+
+---
+
+## 📚 五、如何学习和查找
+
+👉 命令行文档查看：
+
+```bash
+rustup doc --std
+```
+
+👉 在线官方文档（推荐）：
+🔗 [https://doc.rust-lang.org/std/](https://doc.rust-lang.org/std/)
+
+---
+
+如果你愿意，我可以帮你生成一份 **「`std` 模块思维导图（层级树）」** 或者 **「最常用 50 个 `std` 函数速查表」**，方便查阅。
+你想要哪种？