| // Copyright 2015 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. |
| |
| trait Foo { |
| type X; |
| type Y; |
| } |
| |
| fn have_x_want_x<T:Foo<X=u32>>(t: &T) |
| { |
| want_x(t); |
| } |
| |
| fn have_x_want_y<T:Foo<X=u32>>(t: &T) |
| { |
| want_y(t); //~ ERROR type mismatch |
| } |
| |
| fn have_y_want_x<T:Foo<Y=i32>>(t: &T) |
| { |
| want_x(t); //~ ERROR type mismatch |
| } |
| |
| fn have_y_want_y<T:Foo<Y=i32>>(t: &T) |
| { |
| want_y(t); |
| } |
| |
| fn have_xy_want_x<T:Foo<X=u32,Y=i32>>(t: &T) |
| { |
| want_x(t); |
| } |
| |
| fn have_xy_want_y<T:Foo<X=u32,Y=i32>>(t: &T) |
| { |
| want_y(t); |
| } |
| |
| fn have_xy_want_xy<T:Foo<X=u32,Y=i32>>(t: &T) |
| { |
| want_x(t); |
| want_y(t); |
| } |
| |
| fn want_x<T:Foo<X=u32>>(t: &T) { } |
| |
| fn want_y<T:Foo<Y=i32>>(t: &T) { } |
| |
| fn main() { } |