commit

ch10/trait_blanket_implementation.rs

@@ -0,0 +1,29 @@
+trait Named {
+    fn say_name(&self) -> String;
+}
+
+trait Bold {
+    fn write_bold(&self);
+}
+
+impl<T: Named> Bold for T {
+    fn write_bold(&self) {
+        println!("!bold {}", self.say_name())
+    }
+}
+
+struct Person {
+    name: String,
+}
+
+impl Named for Person {
+    fn say_name(&self) -> String {
+        self.name.clone()
+    }
+}
+
+fn main() {
+    let p = Person{name: String::from("Jasper")};
+
+    p.write_bold();
+}