[rustc.git] / src / test / ui / async-await / issues / issue-65419 / issue-65419-generator-resume-after-completion.rs

// issue 65419 - Attempting to run an `async fn` after completion mentions generators when it should
// be talking about `async fn`s instead. Regression test added to make sure generators still
// panic when resumed after completion.

// run-fail
// error-pattern:generator resumed after completion
// edition:2018
// ignore-wasm no panic or subprocess support
// ignore-emscripten no panic or subprocess support

#![feature(generators, generator_trait)]

use std::{
    ops::Generator,
    pin::Pin,
};

fn main() {
    let mut g = || {
        yield;
    };
    Pin::new(&mut g).resume(()); // Yields once.
    Pin::new(&mut g).resume(()); // Completes here.
    Pin::new(&mut g).resume(()); // Panics here.
}
Commit	Line	Data
60c5eb7d XL	1	// issue 65419 - Attempting to run an `async fn` after completion mentions generators when it should
	2	// be talking about `async fn`s instead. Regression test added to make sure generators still
	3	// panic when resumed after completion.
	4
	5	// run-fail
	6	// error-pattern:generator resumed after completion
	7	// edition:2018
	8	// ignore-wasm no panic or subprocess support
	9	// ignore-emscripten no panic or subprocess support
	10
	11	#![feature(generators, generator_trait)]
	12
	13	use std::{
	14	ops::Generator,
	15	pin::Pin,
	16	};
	17
	18	fn main() {
	19	let mut g = \|\| {
	20	yield;
	21	};
74b04a01 XL	22	Pin::new(&mut g).resume(()); // Yields once.
	23	Pin::new(&mut g).resume(()); // Completes here.
	24	Pin::new(&mut g).resume(()); // Panics here.
60c5eb7d	25	}