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// We previously mentioned other extern types in the error message here.
//
// Two extern types shouldn't really be considered similar just
// because they are both extern types.
#![feature(extern_types)]
extern {
type ShouldNotBeMentioned;
}
extern {
type Foo;
}
unsafe impl Send for ShouldNotBeMentioned {}
fn assert_send<T: Send + ?Sized>() {}
fn main() {
assert_send::<Foo>()
//~^ ERROR `Foo` cannot be sent between threads safely
}
|
