rust/tests/ui/impl-trait/in-trait/variance.rs
2023-10-13 21:01:36 +00:00

21 lines
568 B
Rust

#![feature(rustc_attrs)]
#![allow(internal_features)]
#![rustc_variance_of_opaques]
trait Captures<'a> {}
impl<T> Captures<'_> for T {}
trait Foo<'i> {
fn implicit_capture_early<'a: 'a>() -> impl Sized {}
//~^ [o, *, *, o, o]
// Self, 'i, 'a, 'i_duplicated, 'a_duplicated
fn explicit_capture_early<'a: 'a>() -> impl Sized + Captures<'a> {} //~ [o, *, *, o, o]
fn implicit_capture_late<'a>(_: &'a ()) -> impl Sized {} //~ [o, *, o, o]
fn explicit_capture_late<'a>(_: &'a ()) -> impl Sized + Captures<'a> {} //~ [o, *, o, o]
}
fn main() {}