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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:32 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:32 +0000 |
commit | 4547b622d8d29df964fa2914213088b148c498fc (patch) | |
tree | 9fc6b25f3c3add6b745be9a2400a6e96140046e9 /library/core/src/str/mod.rs | |
parent | Releasing progress-linux version 1.66.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-4547b622d8d29df964fa2914213088b148c498fc.tar.xz rustc-4547b622d8d29df964fa2914213088b148c498fc.zip |
Merging upstream version 1.67.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/core/src/str/mod.rs')
-rw-r--r-- | library/core/src/str/mod.rs | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs index fbc0fc397..45fd2caae 100644 --- a/library/core/src/str/mod.rs +++ b/library/core/src/str/mod.rs @@ -396,7 +396,7 @@ impl str { #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_stable(feature = "rustc_str_as_ptr", since = "1.32.0")] #[must_use] - #[inline] + #[inline(always)] pub const fn as_ptr(&self) -> *const u8 { self as *const str as *const u8 } @@ -411,7 +411,7 @@ impl str { /// modified in a way that it remains valid UTF-8. #[stable(feature = "str_as_mut_ptr", since = "1.36.0")] #[must_use] - #[inline] + #[inline(always)] pub fn as_mut_ptr(&mut self) -> *mut u8 { self as *mut str as *mut u8 } @@ -902,6 +902,12 @@ impl str { /// /// assert_eq!(None, iter.next()); /// ``` + /// + /// If the string is empty or all whitespace, the iterator yields no string slices: + /// ``` + /// assert_eq!("".split_whitespace().next(), None); + /// assert_eq!(" ".split_whitespace().next(), None); + /// ``` #[must_use = "this returns the split string as an iterator, \ without modifying the original"] #[stable(feature = "split_whitespace", since = "1.1.0")] @@ -946,6 +952,12 @@ impl str { /// /// assert_eq!(None, iter.next()); /// ``` + /// + /// If the string is empty or all ASCII whitespace, the iterator yields no string slices: + /// ``` + /// assert_eq!("".split_ascii_whitespace().next(), None); + /// assert_eq!(" ".split_ascii_whitespace().next(), None); + /// ``` #[must_use = "this returns the split string as an iterator, \ without modifying the original"] #[stable(feature = "split_ascii_whitespace", since = "1.34.0")] |