23 lines
422 B
Rust
23 lines
422 B
Rust
// Taken from https://github.com/rust-lang/rust/issues/44454#issue-256435333
|
|
|
|
trait Animal<X>: 'static {}
|
|
|
|
fn foo<Y, X>()
|
|
where
|
|
Y: Animal<X> + ?Sized,
|
|
{
|
|
// `Y` implements `Animal<X>` so `Y` is 'static.
|
|
baz::<Y>()
|
|
}
|
|
|
|
fn bar<'a>(_arg: &'a i32) {
|
|
foo::<dyn Animal<&'a i32>, &'a i32>() //~ ERROR: lifetime may not live long enough
|
|
}
|
|
|
|
fn baz<T: 'static + ?Sized>() {}
|
|
|
|
fn main() {
|
|
let a = 5;
|
|
bar(&a);
|
|
}
|