src/test/run-pass/class-methods.rs

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 struct cat {
  12   priv meows : uint,
  13
  14   how_hungry : int,
  15 }
  16
  17 pub impl cat {
  18     fn speak(&mut self) { self.meows += 1u; }
  19     fn meow_count(&mut self) -> uint { self.meows }
  20 }
  21
  22 fn cat(in_x: uint, in_y: int) -> cat {
  23     cat {
  24         meows: in_x,
  25         how_hungry: in_y
  26     }
  27 }
  28
  29 pub fn main() {
  30   let mut nyan: cat = cat(52u, 99);
  31   let mut kitty = cat(1000u, 2);
  32   assert!((nyan.how_hungry == 99));
  33   assert!((kitty.how_hungry == 2));
  34   nyan.speak();
  35   assert!((nyan.meow_count() == 53u));
  36 }