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denoland-deno/cli/util/sync/async_flag.rs

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use tokio_util::sync::CancellationToken;
#[derive(Debug, Default, Clone)]
pub struct AsyncFlag(CancellationToken);
impl AsyncFlag {
pub fn raise(&self) {
self.0.cancel();
}
pub fn is_raised(&self) -> bool {
self.0.is_cancelled()
}
pub fn wait_raised(&self) -> impl std::future::Future<Output = ()> + '_ {
self.0.cancelled()
}
}