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| -rw-r--r-- | src/libcollections/string.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs index 06952253ef3..70b514afd03 100644 --- a/src/libcollections/string.rs +++ b/src/libcollections/string.rs @@ -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")] impl Into<Vec<u8>> for String { fn into(self) -> Vec<u8> { |