rust/tests/ui/coroutine/issue-61442-stmt-expr-with-drop.rs

// 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();
}