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Diffstat (limited to 'meap/meap-code/ch1/ch1-animals-tuple-structs.rs')
-rwxr-xr-xmeap/meap-code/ch1/ch1-animals-tuple-structs.rs41
1 files changed, 41 insertions, 0 deletions
diff --git a/meap/meap-code/ch1/ch1-animals-tuple-structs.rs b/meap/meap-code/ch1/ch1-animals-tuple-structs.rs
new file mode 100755
index 0000000..ed479ed
--- /dev/null
+++ b/meap/meap-code/ch1/ch1-animals-tuple-structs.rs
@@ -0,0 +1,41 @@
+struct Animal {
+ age: i32,
+}
+
+struct Cat(Animal);
+struct Dog(Animal);
+struct LoudDog(Animal);
+
+trait Talk {
+ fn talk(&self) -> ();
+}
+
+impl Talk for Cat {
+ fn talk(&self) {
+ println!("Meow");
+ }
+}
+
+impl Talk for Dog {
+ fn talk(&self) {
+ println!("Woof!");
+ }
+}
+
+impl Talk for LoudDog {
+ fn talk(&self) {
+ println!("WOOF!!");
+ }
+}
+
+
+
+fn main() {
+ let fluffy = Cat(Animal { age: 4 });
+ let max = Dog(Animal { age: 2 });
+ let neighbours_dog = LoudDog(Animal { age: 7 });
+
+ fluffy.talk();
+ max.talk();
+ neighbours_dog.talk();
+}