rust/tests/ui/coherence/coherence-overlap-negative-trait2.rs
2023-01-11 09:32:08 +00:00

18 lines
392 B
Rust

// check-pass
// aux-build:option_future.rs
//
// Check that if we promise to not impl what would overlap it doesn't actually overlap
#![feature(rustc_attrs)]
#![feature(with_negative_coherence)]
extern crate option_future as lib;
use lib::Future;
trait Termination {}
impl<E> Termination for Option<E> where E: Sized {}
impl<F> Termination for F where F: Future + Sized {}
fn main() {}