diff options
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/sync/mutex.rs | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/src/libstd/sync/mutex.rs b/src/libstd/sync/mutex.rs index e4cc2979207..59829db23cb 100644 --- a/src/libstd/sync/mutex.rs +++ b/src/libstd/sync/mutex.rs @@ -450,13 +450,7 @@ impl<'a, T: ?Sized> Drop for MutexGuard<'a, T> { #[stable(feature = "std_debug", since = "1.16.0")] impl<'a, T: ?Sized + fmt::Debug> fmt::Debug for MutexGuard<'a, T> { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - struct MutexFmt<'a, T: ?Sized>(&'a MutexGuard<'a, T>); - impl<'a, T: ?Sized + fmt::Debug> fmt::Debug for MutexFmt<'a, T> { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - f.debug_struct("Mutex").field("data", &&*self.0).finish() - } - } - f.debug_struct("MutexGuard").field("lock", &MutexFmt(self)).finish() + fmt::Debug::fmt(&**self, f) } } |