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| author | kennytm <kennytm@gmail.com> | 2018-03-28 17:55:05 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-03-28 17:55:05 +0200 |
| commit | 43f56ce131e5064ab756e37ddcd39755c5c4a98b (patch) | |
| tree | 80f3f370ac4df9d02b363d520ca0e8293e5ae96d | |
| parent | d87c19db6df9189a2beb43e7998d0cc5548878b3 (diff) | |
| parent | 7c442e5c9b46de225f8903352b7dfc5552b297de (diff) | |
| download | rust-43f56ce131e5064ab756e37ddcd39755c5c4a98b.tar.gz rust-43f56ce131e5064ab756e37ddcd39755c5c4a98b.zip | |
Rollup merge of #49243 - murarth:stabilize-retain, r=BurntSushi
Stabilize method `String::retain` Closes #43874
| -rw-r--r-- | src/doc/unstable-book/src/library-features/string-retain.md | 23 | ||||
| -rw-r--r-- | src/liballoc/string.rs | 4 |
2 files changed, 1 insertions, 26 deletions
diff --git a/src/doc/unstable-book/src/library-features/string-retain.md b/src/doc/unstable-book/src/library-features/string-retain.md deleted file mode 100644 index 049444aa49b..00000000000 --- a/src/doc/unstable-book/src/library-features/string-retain.md +++ /dev/null @@ -1,23 +0,0 @@ -# `string_retain` - -The tracking issue for this feature is: [#43874] - -[#43874]: https://github.com/rust-lang/rust/issues/43874 - ------------------------- - -Retains only the characters specified by the predicate. - -In other words, remove all characters `c` such that `f(c)` returns `false`. -This method operates in place and preserves the order of the retained -characters. - -```rust -#![feature(string_retain)] - -let mut s = String::from("f_o_ob_ar"); - -s.retain(|c| c != '_'); - -assert_eq!(s, "foobar"); -``` diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs index e253122ffd6..599d66e8391 100644 --- a/src/liballoc/string.rs +++ b/src/liballoc/string.rs @@ -1177,8 +1177,6 @@ impl String { /// # Examples /// /// ``` - /// #![feature(string_retain)] - /// /// let mut s = String::from("f_o_ob_ar"); /// /// s.retain(|c| c != '_'); @@ -1186,7 +1184,7 @@ impl String { /// assert_eq!(s, "foobar"); /// ``` #[inline] - #[unstable(feature = "string_retain", issue = "43874")] + #[stable(feature = "string_retain", since = "1.26.0")] pub fn retain<F>(&mut self, mut f: F) where F: FnMut(char) -> bool { |