mirror of https://github.com/rust-lang/rust
26 lines
452 B
Rust
26 lines
452 B
Rust
//@ edition:2018
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#![feature(must_not_suspend)]
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#![allow(must_not_suspend)]
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// This tests the basic example case for the async-await-specific error.
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use std::sync::Mutex;
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fn is_send<T: Send>(t: T) { }
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async fn foo() {
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bar(&Mutex::new(22)).await;
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}
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async fn bar(x: &Mutex<u32>) {
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let g = x.lock().unwrap();
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baz().await;
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}
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async fn baz() { }
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fn main() {
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is_send(foo());
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//~^ ERROR future cannot be sent between threads safely
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}
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