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43 lines
932 B
Rust
43 lines
932 B
Rust
//! Asynchronous values.
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#[doc(inline)]
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pub use std::future::Future;
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/// Never resolves to a value.
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///
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/// # Examples
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/// ```
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/// # #![feature(async_await)]
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/// use async_std::future::pending;
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/// use async_std::prelude::*;
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/// use std::time::Duration;
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///
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/// # async_std::task::block_on(async {
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/// let dur = Duration::from_secs(1);
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/// assert!(pending::<()>().timeout(dur).await.is_err());
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/// # })
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/// ```
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pub async fn pending<T>() -> T {
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futures::future::pending::<T>().await
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}
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/// Resolves to the provided value.
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///
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/// This function is an async version of [`std::convert::identity`].
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///
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/// [`std::convert::identity`]: https://doc.rust-lang.org/std/convert/fn.identity.html
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///
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/// # Examples
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///
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/// ```
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/// # #![feature(async_await)]
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/// use async_std::future::ready;
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///
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/// # async_std::task::block_on(async {
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/// assert_eq!(ready(10).await, 10);
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/// # })
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/// ```
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pub async fn ready<T>(val: T) -> T {
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val
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}
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