24 lines
748 B
Rust
24 lines
748 B
Rust
|
// 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.
|
||
|
|
|
||
|
|
// Test that a covariant struct does not permit the lifetime of a
|
||
|
|
// reference to be enlarged.
|
||
|
|
|
||
|
|
struct SomeStruct<T>(T);
|
||
|
|
|
||
|
|
fn foo<'min,'max>(v: SomeStruct<&'min ()>)
|
||
|
|
-> SomeStruct<&'max ()>
|
||
|
|
where 'max : 'min
|
||
|
|
{
|
||
|
|
v //~ ERROR mismatched types
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() { }
|