New Rust

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"),
+    }
+}