41 lines
1004 B
Rust
41 lines
1004 B
Rust
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(rustc_attrs)]
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use std::mem;
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trait Trait1<T> {}
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trait Trait2<'a> {
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type Ty;
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}
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fn _ice(param: Box<for <'a> Trait1<<() as Trait2<'a>>::Ty>>) {
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let _e: (usize, usize) = unsafe{mem::transmute(param)};
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}
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trait Lifetime<'a> {
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type Out;
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}
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impl<'a> Lifetime<'a> for () {
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type Out = &'a ();
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}
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fn foo<'a>(x: &'a ()) -> <() as Lifetime<'a>>::Out {
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x
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}
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fn takes_lifetime(_f: for<'a> fn(&'a ()) -> <() as Lifetime<'a>>::Out) {
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}
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#[rustc_error]
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fn main() { //~ ERROR compilation successful
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takes_lifetime(foo);
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}
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