rust/src/test/run-pass/generic-fn.rs
2012-12-10 17:32:58 -08:00

38 lines
966 B
Rust

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// -*- rust -*-
fn id<T: Copy>(x: T) -> T { return x; }
type triple = {x: int, y: int, z: int};
fn main() {
let mut x = 62;
let mut y = 63;
let a = 'a';
let mut b = 'b';
let p: triple = {x: 65, y: 66, z: 67};
let mut q: triple = {x: 68, y: 69, z: 70};
y = id::<int>(x);
log(debug, y);
assert (x == y);
b = id::<char>(a);
log(debug, b);
assert (a == b);
q = id::<triple>(p);
x = p.z;
y = q.z;
log(debug, y);
assert (x == y);
}