src/test/run-pass/class-typarams.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 use std::marker::PhantomData;
  12
  13 struct cat<U> {
  14     meows : uint,
  15     how_hungry : int,
  16     m: PhantomData<U>
  17 }
  18
  19 impl<U> cat<U> {
  20     pub fn speak(&mut self) { self.meows += 1_usize; }
  21     pub fn meow_count(&mut self) -> uint { self.meows }
  22 }
  23
  24 fn cat<U>(in_x : uint, in_y : int) -> cat<U> {
  25     cat {
  26         meows: in_x,
  27         how_hungry: in_y,
  28         m: PhantomData
  29     }
  30 }
  31
  32
  33 pub fn main() {
  34   let _nyan : cat<int> = cat::<int>(52_usize, 99);
  35   //  let mut kitty = cat(1000_usize, 2);
  36 }