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Diffstat (limited to 'libraries/base/Control/Monad/IO/Class.hs')
| -rw-r--r-- | libraries/base/Control/Monad/IO/Class.hs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libraries/base/Control/Monad/IO/Class.hs b/libraries/base/Control/Monad/IO/Class.hs index b2c419c3a7..76806e132d 100644 --- a/libraries/base/Control/Monad/IO/Class.hs +++ b/libraries/base/Control/Monad/IO/Class.hs @@ -32,5 +32,6 @@ class (Monad m) => MonadIO m where -- | Lift a computation from the 'IO' monad. liftIO :: IO a -> m a +-- | @since 4.9.0.0 instance MonadIO IO where liftIO = id |