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Allow in-place unwrapping of future::Ready #2055

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Jan 29, 2020
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Allow in-place unwrapping of future::Ready #2055

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2c03329
Add into_inner method for future::Ready
tyranron Jan 29, 2020
2f999e7
Add CHANGELOG entry
tyranron Jan 29, 2020
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5 changes: 4 additions & 1 deletion CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,11 +1,14 @@
# 0.3.2 - 2020-??-??
* Added `into_inner` method for `future::Ready` (#2055)

# 0.3.1 - 2019-11-7
* Fix signature of `LocalSpawn` trait (breaking change -- see #1959)

# 0.3.0 - 2019-11-5
* Stable release along with stable async/await!
* Added async/await to default features (#1953)
* Changed `Spawn` trait and `FuturesUnordered::push` to take `&self` (#1950)
* Moved `Spawn` and `FutureObj` out of `futures-core` and into `futures-task (#1925)
* Moved `Spawn` and `FutureObj` out of `futures-core` and into `futures-task` (#1925)
* Changed case convention for feature names (#1937)
* Added `executor` feature (#1949)
* Moved `copy_into`/`copy_buf_into` (#1948)
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10 changes: 9 additions & 1 deletion futures-util/src/future/ready.rs
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Expand Up @@ -7,6 +7,14 @@ use futures_core::task::{Context, Poll};
#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct Ready<T>(Option<T>);

impl<T> Ready<T> {
/// Unwraps the value from this immediately ready future.
#[inline]
pub fn into_inner(mut self) -> T {
self.0.take().unwrap()
}
}

impl<T> Unpin for Ready<T> {}

impl<T> FusedFuture for Ready<T> {
Expand All @@ -24,7 +32,7 @@ impl<T> Future for Ready<T> {
}
}

/// Create a future that is immediately ready with a value.
/// Creates a future that is immediately ready with a value.
///
/// # Examples
///
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