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| author | Patrick Walton <pcwalton@mimiga.net> | 2013-03-22 13:11:03 -0700 |
|---|---|---|
| committer | Patrick Walton <pcwalton@mimiga.net> | 2013-03-22 22:24:34 -0700 |
| commit | eba3367404e9ca6abf84199b5c2dbe51ce6cdbde (patch) | |
| tree | 51f5c04a529cdfc03cd4fded6f66c699a8162940 /src/libsyntax/ext | |
| parent | fa70709e07983fb62d1fddadac0987c79e836d23 (diff) | |
| download | rust-eba3367404e9ca6abf84199b5c2dbe51ce6cdbde.tar.gz rust-eba3367404e9ca6abf84199b5c2dbe51ce6cdbde.zip | |
libsyntax: Introduce the new `assert!` macro; make `assert` no longer a keyword
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/expand.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs index 27b35b37849..46ded7ecf3d 100644 --- a/src/libsyntax/ext/expand.rs +++ b/src/libsyntax/ext/expand.rs @@ -464,6 +464,19 @@ pub fn core_macros() -> ~str { } ) + macro_rules! assert( + ($cond:expr) => { + if !$cond { + ::core::sys::fail_assert(stringify!($cond), file!(), line!()) + } + }; + ($cond:expr, $msg:expr) => { + if !$cond { + ::core::sys::fail_assert($msg, file!(), line!()) + } + } + ) + macro_rules! assert_eq ( ($given:expr , $expected:expr) => ({let given_val = $given; |