blob: ed2947493b02c528d86bd43734b5433169211987 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
#![feature(negative_impls)]
use std::marker::Send;
struct TestType;
impl !TestType {}
//~^ ERROR inherent impls cannot be negative
trait TestTrait {}
unsafe impl !Send for TestType {}
//~^ ERROR negative impls cannot be unsafe
impl !TestTrait for TestType {}
struct TestType2<T>(T);
impl<T> !TestType2<T> {}
//~^ ERROR inherent impls cannot be negative
unsafe impl<T> !Send for TestType2<T> {}
//~^ ERROR negative impls cannot be unsafe
impl<T> !TestTrait for TestType2<T> {}
fn main() {}
|