diff options
| -rw-r--r-- | src/libcore/result.rs | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/libcore/result.rs b/src/libcore/result.rs index 42d0b2a2c62..47a8bf83899 100644 --- a/src/libcore/result.rs +++ b/src/libcore/result.rs @@ -34,13 +34,11 @@ //! enum Version { Version1, Version2 } //! //! fn parse_version(header: &[u8]) -> Result<Version, &'static str> { -//! if header.len() < 1 { -//! return Err("invalid header length"); -//! } -//! match header[0] { -//! 1 => Ok(Version::Version1), -//! 2 => Ok(Version::Version2), -//! _ => Err("invalid version") +//! match header.get(0) { +//! None => Err("invalid header length"), +//! Some(&1) => Ok(Version::Version1), +//! Some(&2) => Ok(Version::Version2), +//! Some(_) => Err("invalid version") //! } //! } //! |