| // Copyright 2014 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. |
| |
| // Test that we detect an illegal combination of types. |
| |
| trait Convert<Target> { |
| fn convert(&self) -> Target; |
| } |
| |
| impl Convert<u32> for i32 { |
| fn convert(&self) -> u32 { |
| *self as u32 |
| } |
| } |
| |
| fn test<T,U>(_: T, _: U) |
| where T : Convert<U> |
| { |
| } |
| |
| fn a() { |
| test(22i32, 44i32); //~ ERROR mismatched types |
| } |
| |
| fn main() {} |
