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| author | Alex Crichton <alex@alexcrichton.com> | 2014-01-29 16:33:57 -0800 |
|---|---|---|
| committer | Alex Crichton <alex@alexcrichton.com> | 2014-02-03 09:32:33 -0800 |
| commit | ece8a8f520697be50cbe543bebe065c5198dae4d (patch) | |
| tree | fa1bf049d3b5d781c8c56e0d0491a655ece485a2 /src/libstd/macros.rs | |
| parent | be4fc638092bf896c5c6c0672136b83b71e491ee (diff) | |
| download | rust-ece8a8f520697be50cbe543bebe065c5198dae4d.tar.gz rust-ece8a8f520697be50cbe543bebe065c5198dae4d.zip | |
std: Remove io::io_error
* All I/O now returns IoResult<T> = Result<T, IoError> * All formatting traits now return fmt::Result = IoResult<()> * The if_ok!() macro was added to libstd
Diffstat (limited to 'src/libstd/macros.rs')
| -rw-r--r-- | src/libstd/macros.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libstd/macros.rs b/src/libstd/macros.rs index 4032b63790b..b31ae92d742 100644 --- a/src/libstd/macros.rs +++ b/src/libstd/macros.rs @@ -197,3 +197,8 @@ macro_rules! local_data_key ( pub static $name: ::std::local_data::Key<$ty> = &::std::local_data::Key; ) ) + +#[macro_export] +macro_rules! if_ok ( + ($e:expr) => (match $e { Ok(e) => e, Err(e) => return Err(e) }) +) |