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Diffstat (limited to 'libraries/base/GHC/MVar.hs')
| -rw-r--r-- | libraries/base/GHC/MVar.hs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libraries/base/GHC/MVar.hs b/libraries/base/GHC/MVar.hs index 6cbbe7bfb6..d367f2ba06 100644 --- a/libraries/base/GHC/MVar.hs +++ b/libraries/base/GHC/MVar.hs @@ -42,6 +42,7 @@ as a a box, which may be empty or full. -} -- pull in Eq (Mvar a) too, to avoid GHC.Conc being an orphan-instance module +-- | @since 4.1.0.0 instance Eq (MVar a) where (MVar mvar1#) == (MVar mvar2#) = isTrue# (sameMVar# mvar1# mvar2#) |