| // Copyright 2016 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 elaborate `Type: 'region` constraints and infer various important things. |
| |
| trait Master<'a, T: ?Sized, U> { |
| fn foo() where T: 'a; |
| } |
| |
| // `U: 'a` does not imply `V: 'a` |
| impl<'a, U, V> Master<'a, U, V> for () { |
| fn foo() where V: 'a { } |
| //~^ ERROR impl has stricter requirements than trait |
| } |
| |
| fn main() { |
| println!("Hello, world!"); |
| } |
