traits

Author: yogithesymbian

src/_27_yo_trait.rs

@@ -0,0 +1,22 @@
+trait YoGreet {
+    fn greet(&self) -> String;
+}
+
+struct YoPerson {
+    name: String,
+}
+
+impl YoGreet for YoPerson {
+    fn greet(&self) -> String {
+        format!("Yo, {}!", self.name)
+    }
+}
+
+pub fn main() {
+    let person = YoPerson {
+        name: String::from("Rustacean"),
+    };
+    println!("{}", person.greet()); // Expected : "Yo, Rustacean!"
+}
+
+// Real Scenario: Define shared behavior for unrelated types.

src/main.rs

@@ -17,6 +17,7 @@ mod _23_yo_pattern_matching;
 mod _24_yo_type_alias;
 mod _25_yo_module;
 mod _26_yo_crate;
+mod _27_yo_trait;
 mod _2_data_types;
 mod _3_numbers;
 mod _4_operators_comparison;
@@ -71,4 +72,5 @@ fn main() {
     _24_yo_type_alias::main();
     _25_yo_module::main();
     _26_yo_crate::main();
+    _27_yo_trait::main();
 }