tests/ui/coroutine/issue-57478.rs


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//@ check-pass

#![feature(negative_impls, coroutines, stmt_expr_attributes)]

struct Foo;
impl !Send for Foo {}

fn main() {
    assert_send(
        #[coroutine]
        || {
            let guard = Foo;
            drop(guard);
            yield;
        },
    )
}

fn assert_send<T: Send>(_: T) {}