rust/tests/ui/issues/issue-106755.rs
2023-03-06 21:05:35 +08:00

22 lines
529 B
Rust

// compile-flags:-Ztranslate-lang=en_US
#![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> {}
//~^ WARNING
//~| WARNING this will change its meaning
fn main() {}