47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
/*
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* meli - melib library
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*
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* Copyright 2020 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use std::time::Duration;
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use futures::future::{self, Either, Future};
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pub async fn timeout<O>(
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dur: Option<Duration>,
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f: impl Future<Output = O> + Send,
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) -> crate::Result<O> {
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futures::pin_mut!(f);
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if let Some(dur) = dur {
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match future::select(f, smol::Timer::after(dur)).await {
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Either::Left((out, _)) => Ok(out),
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Either::Right(_) => {
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Err(crate::error::Error::new("Timed out.")
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.set_kind(crate::error::ErrorKind::Timeout))
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}
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}
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} else {
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Ok(f.await)
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}
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}
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pub async fn sleep(dur: Duration) {
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smol::Timer::after(dur).await;
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}
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