35 lines
715 B
Rust
35 lines
715 B
Rust
#![feature(
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async_await,
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await_macro,
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futures_api,
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)]
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use std::{future::Future, pin::Pin, task::Poll};
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// See if we can run a basic `async fn`
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pub async fn foo(x: &u32, y: u32) -> u32 {
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let y = &y;
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let z = 9;
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let z = &z;
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let y = await!(async { *y + *z });
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let a = 10;
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let a = &a;
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*x + y + *a
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}
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fn main() {
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use std::{sync::Arc, task::{Wake, local_waker}};
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struct NoWake;
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impl Wake for NoWake {
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fn wake(_arc_self: &Arc<Self>) {
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panic!();
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}
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}
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let lw = unsafe { local_waker(Arc::new(NoWake)) };
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let x = 5;
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let mut fut = foo(&x, 7);
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assert_eq!(unsafe { Pin::new_unchecked(&mut fut) }.poll(&lw), Poll::Ready(31));
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}
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