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| -rw-r--r-- | src/libcollections/string.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs index f91d8a5f4e1..06952253ef3 100644 --- a/src/libcollections/string.rs +++ b/src/libcollections/string.rs @@ -1881,6 +1881,26 @@ impl Into<Vec<u8>> for String { } } +#[stable(feature = "stringfromchars", since = "1.12.0")] +impl<'a> From<&'a [char]> for String { + #[inline] + fn from(v: &'a [char]) -> String { + let mut s = String::with_capacity(v.len()); + for c in v { + s.push(*c); + } + s + } +} + +#[stable(feature = "stringfromchars", since = "1.12.0")] +impl From<Vec<char>> for String { + #[inline] + fn from(v: Vec<char>) -> String { + String::from(v.as_slice()) + } +} + #[stable(feature = "rust1", since = "1.0.0")] impl fmt::Write for String { #[inline] |