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Stabilize the Option::replace method #54904

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Oct 11, 2018
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Stabilize the Option::replace method #54904

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8c01c22
Stabilize the `Option::replace` method
Kerollmops Oct 8, 2018
c232ea1
Bump the `Option::replace` stabilize version to 1.31.0
Kerollmops Oct 8, 2018
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4 changes: 1 addition & 3 deletions src/libcore/option.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -867,8 +867,6 @@ impl<T> Option<T> {
/// # Examples
///
/// ```
/// #![feature(option_replace)]
///
/// let mut x = Some(2);
/// let old = x.replace(5);
/// assert_eq!(x, Some(5));
Expand All @@ -880,7 +878,7 @@ impl<T> Option<T> {
/// assert_eq!(old, None);
/// ```
#[inline]
#[unstable(feature = "option_replace", issue = "51998")]
#[stable(feature = "option_replace", since = "1.30.0")]
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1.30.0 seems unlikely? See https://forge.rust-lang.org/index.html for dates.

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@Kerollmops Kerollmops Oct 8, 2018 •
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It is unlikely to be merged for Fri Oct 26 2018 ? You prefer 1.31.0 ?

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It has to go into beta first ;) i.e. 1.31.0 goes into beta on 2018-10-26.

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Ok I will change to 1.31.0 so but how do you know the 1.31.0 beta is set to this date ?

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@Kerollmops Kerollmops Oct 8, 2018 •
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Ho ! It enters beta when the previous version enter stable ? ok ! :)

pub fn replace(&mut self, value: T) -> Option<T> {
mem::replace(self, Some(value))
}
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1 change: 0 additions & 1 deletion src/libcore/tests/lib.rs
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Expand Up @@ -39,7 +39,6 @@
#![feature(reverse_bits)]
#![feature(inner_deref)]
#![feature(slice_internals)]
#![feature(option_replace)]
#![feature(slice_partition_dedup)]
#![feature(copy_within)]

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1 change: 0 additions & 1 deletion src/librustc_driver/lib.rs
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Expand Up @@ -21,7 +21,6 @@
#![feature(box_syntax)]
#![cfg_attr(unix, feature(libc))]
#![feature(nll)]
#![feature(option_replace)]
#![feature(quote)]
#![feature(rustc_diagnostic_macros)]
#![feature(slice_sort_by_cached_key)]
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