34 lines
989 B
Rust
34 lines
989 B
Rust
|
// Copyright 2012 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.
|
||
|
|
||
|
// Along with the other tests in this series, illustrates the
|
||
|
// "projection gap": in this test, we know that `T: 'x`, and that
|
||
|
// is (naturally) enough to conclude that `T: 'x`.
|
||
|
|
||
|
#![feature(rustc_attrs)]
|
||
|
#![allow(dead_code)]
|
||
|
#![allow(unused_variables)]
|
||
|
|
||
|
trait Trait1<'x> {
|
||
|
type Foo;
|
||
|
}
|
||
|
|
||
|
// calling this fn should trigger a check that the type argument
|
||
|
// supplied is well-formed.
|
||
|
fn wf<T>() { }
|
||
|
|
||
|
fn func<'x, T:Trait1<'x>>(t: &'x T)
|
||
|
{
|
||
|
wf::<&'x T>();
|
||
|
}
|
||
|
|
||
|
#[rustc_error]
|
||
|
fn main() { } //~ ERROR compilation successful
|