| pub mod kitty { |
| use std::fmt; |
| |
| pub struct cat { |
| meows : usize, |
| pub how_hungry : isize, |
| pub name : String, |
| } |
| |
| impl fmt::Display for cat { |
| fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| write!(f, "{}", self.name) |
| } |
| } |
| |
| impl cat { |
| fn meow(&mut self) { |
| println!("Meow"); |
| self.meows += 1; |
| if self.meows % 5 == 0 { |
| self.how_hungry += 1; |
| } |
| } |
| |
| } |
| |
| impl cat { |
| pub fn speak(&mut self) { self.meow(); } |
| |
| pub fn eat(&mut self) -> bool { |
| if self.how_hungry > 0 { |
| println!("OM NOM NOM"); |
| self.how_hungry -= 2; |
| return true; |
| } |
| else { |
| println!("Not hungry!"); |
| return false; |
| } |
| } |
| } |
| |
| pub fn cat(in_x : usize, in_y : isize, in_name: String) -> cat { |
| cat { |
| meows: in_x, |
| how_hungry: in_y, |
| name: in_name |
| } |
| } |
| } |