diff options
Diffstat (limited to 'src/libcore')
| -rw-r--r-- | src/libcore/macros.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libcore/macros.rs b/src/libcore/macros.rs index bb112327abf..5b5f59d5ddb 100644 --- a/src/libcore/macros.rs +++ b/src/libcore/macros.rs @@ -34,6 +34,8 @@ macro_rules! panic { /// This will invoke the `panic!` macro if the provided expression cannot be /// evaluated to `true` at runtime. /// +/// This macro has a second version, where a custom panic message can be provided. +/// /// # Examples /// /// ``` @@ -99,6 +101,9 @@ macro_rules! assert_eq { /// This will invoke the `panic!` macro if the provided expression cannot be /// evaluated to `true` at runtime. /// +/// Like `assert!`, this macro also has a second version, where a custom panic +/// message can be provided. +/// /// Unlike `assert!`, `debug_assert!` statements are only enabled in non /// optimized builds by default. An optimized build will omit all /// `debug_assert!` statements unless `-C debug-assertions` is passed to the |