1 // Copyright 2014 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.
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.
11 // Test that we can infer the Target based on the Self or vice versa.
16 trait Convert<Target> {
17 fn convert(&self) -> Target;
20 impl Convert<u32> for i16 {
21 fn convert(&self) -> u32 {
26 impl Convert<i16> for u32 {
27 fn convert(&self) -> i16 {
32 fn test<T,U>(_: T, _: U, t_size: usize, u_size: usize)
35 assert_eq!(mem::size_of::<T>(), t_size);
36 assert_eq!(mem::size_of::<U>(), u_size);
40 use std::default::Default;
42 test(22_i16, Default::default(), 2, 4);
45 test(22_u32, Default::default(), 4, 2);