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Diffstat (limited to 'src/libstd/io/mod.rs')
| -rw-r--r-- | src/libstd/io/mod.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/io/mod.rs b/src/libstd/io/mod.rs index f3ba5cd7854..e674ddf41dc 100644 --- a/src/libstd/io/mod.rs +++ b/src/libstd/io/mod.rs @@ -349,7 +349,7 @@ pub trait Write { /// This function will return the first error that `write` returns. #[stable(feature = "rust1", since = "1.0.0")] fn write_all(&mut self, mut buf: &[u8]) -> Result<()> { - while buf.len() > 0 { + while !buf.is_empty() { match self.write(buf) { Ok(0) => return Err(Error::new(ErrorKind::WriteZero, "failed to write whole buffer")), |