From 7e8ee5ed9cad6484e9f13f81731b102ced58402e Mon Sep 17 00:00:00 2001 From: Adam Carpenter Date: Tue, 9 Jul 2019 15:14:04 -0400 Subject: Init. --- meap/meap-code/ch1/ch1-animals.rs | 41 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100755 meap/meap-code/ch1/ch1-animals.rs (limited to 'meap/meap-code/ch1/ch1-animals.rs') diff --git a/meap/meap-code/ch1/ch1-animals.rs b/meap/meap-code/ch1/ch1-animals.rs new file mode 100755 index 0000000..ed479ed --- /dev/null +++ b/meap/meap-code/ch1/ch1-animals.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(); +} -- cgit v1.2.3