rust/tests/ui/coroutine/issue-58888.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

28 lines
523 B
Rust

//@ run-pass
//@ compile-flags: -g
#![feature(coroutines, coroutine_trait)]
use std::ops::Coroutine;
struct Database;
impl Database {
fn get_connection(&self) -> impl Iterator<Item = ()> {
Some(()).into_iter()
}
fn check_connection(&self) -> impl Coroutine<Yield = (), Return = ()> + '_ {
#[coroutine] move || {
let iter = self.get_connection();
for i in iter {
yield i
}
}
}
}
fn main() {
Database.check_connection();
}