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//@ compile-flags: -Zverbose-internals
// Same as test/ui/coroutine/not-send-sync.rs
#![feature(coroutines, stmt_expr_attributes)]
#![feature(negative_impls)]
struct NotSend;
struct NotSync;
impl !Send for NotSend {}
impl !Sync for NotSync {}
fn main() {
fn assert_sync<T: Sync>(_: T) {}
fn assert_send<T: Send>(_: T) {}
assert_sync(#[coroutine] || {
//~^ ERROR: coroutine cannot be shared between threads safely
let a = NotSync;
yield;
drop(a);
});
assert_send(#[coroutine] || {
//~^ ERROR: coroutine cannot be sent between threads safely
let a = NotSend;
yield;
drop(a);
});
}
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