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Diffstat (limited to 'src/liballoc/string.rs')
| -rw-r--r-- | src/liballoc/string.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs index 8d009101ce7..0b25d911a29 100644 --- a/src/liballoc/string.rs +++ b/src/liballoc/string.rs @@ -618,6 +618,8 @@ impl String { /// ``` #[stable(feature = "rust1", since = "1.0.0")] pub fn from_utf16(v: &[u16]) -> Result<String, FromUtf16Error> { + // This isn't done via collect::<Result<_, _>>() for performance reasons. + // FIXME: the function can be simplified again when #48994 is closed. let mut ret = String::with_capacity(v.len()); for c in decode_utf16(v.iter().cloned()) { if let Ok(c) = c { |