|  | //@ run-pass | 
|  | #![allow(dead_code)] | 
|  | #![allow(non_camel_case_types)] | 
|  |  | 
|  |  | 
|  | struct cat<U> { | 
|  | info : Vec<U> , | 
|  | meows : usize, | 
|  |  | 
|  | how_hungry : isize, | 
|  | } | 
|  |  | 
|  | impl<U> cat<U> { | 
|  | pub fn speak<T>(&mut self, stuff: Vec<T> ) { | 
|  | self.meows += stuff.len(); | 
|  | } | 
|  | pub fn meow_count(&mut self) -> usize { self.meows } | 
|  | } | 
|  |  | 
|  | fn cat<U>(in_x : usize, in_y : isize, in_info: Vec<U> ) -> cat<U> { | 
|  | cat { | 
|  | meows: in_x, | 
|  | how_hungry: in_y, | 
|  | info: in_info | 
|  | } | 
|  | } | 
|  |  | 
|  | pub fn main() { | 
|  | let mut nyan : cat<isize> = cat::<isize>(52, 99, vec![9]); | 
|  | let mut kitty = cat(1000, 2, vec!["tabby".to_string()]); | 
|  | assert_eq!(nyan.how_hungry, 99); | 
|  | assert_eq!(kitty.how_hungry, 2); | 
|  | nyan.speak(vec![1,2,3]); | 
|  | assert_eq!(nyan.meow_count(), 55); | 
|  | kitty.speak(vec!["meow".to_string(), "mew".to_string(), "purr".to_string(), "chirp".to_string()]); | 
|  | assert_eq!(kitty.meow_count(), 1004); | 
|  | } |