Function block_on

crates/fuzzing/src/lib.rs:54–67

(future: F)

}

fn block_on<F: Future>(future: F) -> F::Output {
    const MAX_POLLS: u32 = 100_000;

    let mut f = Box::pin(future);
    let mut cx = Context::from_waker(Waker::noop());
    for _ in 0..MAX_POLLS {
        match f.as_mut().poll(&mut cx) {
            Poll::Ready(val) => return val,
            Poll::Pending => {}
        }
    }

    panic!("future didn't become ready")
}

/// Helper future to yield N times before resolving.
struct YieldN(u32);