17 lines
321 B
Rust
17 lines
321 B
Rust
// Test that a covariant struct permits the lifetime of a reference to
|
|
// be shortened.
|
|
|
|
#![allow(dead_code)]
|
|
//@ build-pass (FIXME(62277): could be check-pass?)
|
|
|
|
struct SomeStruct<T>(T);
|
|
|
|
fn foo<'min,'max>(v: SomeStruct<&'max ()>)
|
|
-> SomeStruct<&'min ()>
|
|
where 'max : 'min
|
|
{
|
|
v
|
|
}
|
|
|
|
fn main() { }
|