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.
15 trait Convert<Target> {
16 fn convert(&self) -> Target;
19 impl Convert<u32> for i16 {
20 fn convert(&self) -> u32 {
25 impl Convert<i16> for u32 {
26 fn convert(&self) -> i16 {
31 fn test<T,U>(_: T, _: U, t_size: uint, u_size: uint)
34 assert_eq!(mem::size_of::<T>(), t_size);
35 assert_eq!(mem::size_of::<U>(), u_size);
39 use std::default::Default;
41 test(22_i16, Default::default(), 2, 4);
44 test(22_u32, Default::default(), 4, 2);