rust/tests/ui/coherence/coherence-conflicting-negat...

18 lines
433 B
Rust

#![feature(negative_impls)]
#![feature(marker_trait_attr)]
#[marker]
trait MyTrait {}
struct TestType<T>(::std::marker::PhantomData<T>);
unsafe impl<T: MyTrait + 'static> Send for TestType<T> {}
impl<T: MyTrait> !Send for TestType<T> {} //~ ERROR found both positive and negative implementation
unsafe impl<T: 'static> Send for TestType<T> {} //~ ERROR conflicting implementations
impl !Send for TestType<i32> {}
fn main() {}