dfa0db5961
This is a reintroduction of the remaining parts from https://github.com/rust-lang/rust/pull/65244 that have not been relanded yet. Issues GH-67644, GH-67982
28 lines
838 B
Rust
28 lines
838 B
Rust
use crate::future::Future;
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/// Conversion into a `Future`.
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#[unstable(feature = "into_future", issue = "67644")]
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pub trait IntoFuture {
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/// The output that the future will produce on completion.
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#[unstable(feature = "into_future", issue = "67644")]
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type Output;
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/// Which kind of future are we turning this into?
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#[unstable(feature = "into_future", issue = "67644")]
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type Future: Future<Output = Self::Output>;
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/// Creates a future from a value.
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#[unstable(feature = "into_future", issue = "67644")]
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#[cfg_attr(not(bootstrap), lang = "into_future")]
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fn into_future(self) -> Self::Future;
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}
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#[unstable(feature = "into_future", issue = "67644")]
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impl<F: Future> IntoFuture for F {
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type Output = F::Output;
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type Future = F;
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fn into_future(self) -> Self::Future {
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self
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}
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}
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