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Add doc examples to str::from_utf8_unchecked_mut #44477

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Merged
merged 2 commits into from
Sep 15, 2017
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Add doc examples to str::from_utf8_unchecked_mut #44477

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18ef0de
Add doc examples to str::from_utf8_unchecked_mut
napen123 Sep 10, 2017
8adf50d
Remove Invalid UTF-8 from str::from_utf8_unchecked_mut
napen123 Sep 12, 2017
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13 changes: 13 additions & 0 deletions src/libcore/str/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -382,6 +382,19 @@ pub unsafe fn from_utf8_unchecked(v: &[u8]) -> &str {
/// See the immutable version, [`from_utf8_unchecked()`][fromutf8], for more information.
///
/// [fromutf8]: fn.from_utf8_unchecked.html
///
/// # Examples
///
/// Basic usage:
///
/// ```
/// use std::str;
///
/// let mut heart = vec![240, 159, 146, 150];
/// let heart = unsafe { str::from_utf8_unchecked_mut(&mut heart) };
///
/// assert_eq!("💖", heart);
/// ```
#[inline]
#[stable(feature = "str_mut_extras", since = "1.20.0")]
pub unsafe fn from_utf8_unchecked_mut(v: &mut [u8]) -> &mut str {
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