rust/tests/ui/coroutine/issue-61442-stmt-expr-with-drop.rs
Oli Scherer aef0f4024a Error on using yield without also using #[coroutine] on the closure
And suggest adding the `#[coroutine]` to the closure
2024-04-24 08:05:29 +00:00

35 lines
605 B
Rust

// Test that we don't consider temporaries for statement expressions as live
// across yields
//@ check-pass
//@ edition:2018
#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
use std::ops::Coroutine;
async fn drop_and_await() {
async {};
async {}.await;
}
fn drop_and_yield() {
let x = #[coroutine]
|| {
String::new();
yield;
};
Box::pin(x).as_mut().resume(());
let y = #[coroutine]
static || {
String::new();
yield;
};
Box::pin(y).as_mut().resume(());
}
fn main() {
drop_and_await();
drop_and_yield();
}