rust/tests/ui/coroutine/polymorphize-args.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

19 lines
379 B
Rust

//@ compile-flags: -Zpolymorphize=on
//@ build-pass
#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
use std::ops::Coroutine;
use std::pin::Pin;
use std::thread;
fn main() {
let mut foo = #[coroutine]
|| yield;
thread::spawn(move || match Pin::new(&mut foo).resume(()) {
s => panic!("bad state: {:?}", s),
})
.join()
.unwrap();
}