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Auto merge of #35064 - pthariensflame:feature/cow_str_from_iter, r=alexcrichton

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Add `FromIterator` implementations for `Cow<str>`

This seems like an oversight, since the corresponding implementation for `Cow<[T]> where T: Clone` exists.
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bors 2016-08-08 14:59:30 -07:00 committed by GitHub
commit 080e0e072f
1 changed files with 21 additions and 0 deletions
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21
src/libcollections/string.rs
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@ -1874,6 +1874,27 @@ impl<'a> From<String> for Cow<'a, str> {
} }
} }
#[stable(feature = "cow_str_from_iter", since = "1.12.0")]
impl<'a> FromIterator<char> for Cow<'a, str> {
fn from_iter<I: IntoIterator<Item = char>>(it: I) -> Cow<'a, str> {
Cow::Owned(FromIterator::from_iter(it))
}
}
#[stable(feature = "cow_str_from_iter", since = "1.12.0")]
impl<'a, 'b> FromIterator<&'b str> for Cow<'a, str> {
fn from_iter<I: IntoIterator<Item = &'b str>>(it: I) -> Cow<'a, str> {
Cow::Owned(FromIterator::from_iter(it))
}
}
#[stable(feature = "cow_str_from_iter", since = "1.12.0")]
impl<'a> FromIterator<String> for Cow<'a, str> {
fn from_iter<I: IntoIterator<Item = String>>(it: I) -> Cow<'a, str> {
Cow::Owned(FromIterator::from_iter(it))
}
}
#[stable(feature = "rust1", since = "1.0.0")] #[stable(feature = "rust1", since = "1.0.0")]
impl Into<Vec<u8>> for String { impl Into<Vec<u8>> for String {
fn into(self) -> Vec<u8> { fn into(self) -> Vec<u8> {