blob: 4ec45ddf333596551b0dc54e81e46bfb17249ee3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
//@ edition: 2021
use std::future::Future;
use std::pin::pin;
use std::task::*;
pub fn block_on<T>(fut: impl Future<Output = T>) -> T {
let mut fut = pin!(fut);
// Poll loop, just to test the future...
let ctx = &mut Context::from_waker(Waker::noop());
loop {
match unsafe { fut.as_mut().poll(ctx) } {
Poll::Pending => {}
Poll::Ready(t) => break t,
}
}
}
|