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time: document immediate completion guarantee for timeouts (#5509)

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Daria Sukhonina 2023-02-27 17:17:31 +03:00 committed by GitHub
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tokio/src/time/timeout.rs
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@ -28,6 +28,11 @@ use std::task::{self, Poll};
/// This function returns a future whose return type is [`Result`]`<T,`[`Elapsed`]`>`, where `T` is the
/// return type of the provided future.
///
/// If the provided future completes immediatelly, then the future returned from
/// this function is guaranteed to complete immediatelly with an [`Ok`] variant
/// no matter the provided duration.
///
/// [`Ok`]: std::result::Result::Ok
/// [`Result`]: std::result::Result
/// [`Elapsed`]: crate::time::error::Elapsed
///
@ -100,6 +105,11 @@ where
/// This function returns a future whose return type is [`Result`]`<T,`[`Elapsed`]`>`, where `T` is the
/// return type of the provided future.
///
/// If the provided future completes immediatelly, then the future returned from
/// this function is guaranteed to complete immediatelly with an [`Ok`] variant
/// no matter the provided deadline.
///
/// [`Ok`]: std::result::Result::Ok
/// [`Result`]: std::result::Result
/// [`Elapsed`]: crate::time::error::Elapsed
///