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untilJustM :: Monad m => m (Maybe a) -> m adistribution-opensuse OpenSuse.Prelude Keep running an operation until it becomes a Just, then return the value inside the Just as the result of the overall loop.
whenJust :: Applicative m => Maybe a -> (a -> m ()) -> m ()distribution-opensuse OpenSuse.Prelude Perform some operation on Just, given the field inside the Just. This is a specialized for_.
whenJust Nothing print == pure () whenJust (Just 1) print == print 1
whenJustM :: Monad m => m (Maybe a) -> (a -> m ()) -> m ()distribution-opensuse OpenSuse.Prelude Like whenJust, but where the test can be monadic.
whileJustM :: (Monad m, Monoid a) => m (Maybe a) -> m adistribution-opensuse OpenSuse.Prelude Keep running an operation until it becomes a Nothing, accumulating the monoid results inside the Justs as the result of the overall loop.
hCheckSum_Adjust :: TT_Header -> FT_Longfreetype2 FreeType.Format.TrueType No documentation available.
pattern
FT_VALIDATE_just :: (Eq a, Num a) => afreetype2 FreeType.Miscellaneous.TrueTypeGX No documentation available.
mrgJust :: (Mergeable (Maybe a), Applicative m, TryMerge m) => a -> m (Maybe a)grisette Grisette.Lib.Data.Maybe Smart constructor for Just to construct values wrapped and possibly merged in a container.
containerFocusHAdjustment :: ContainerClass self => ReadWriteAttr self (Maybe Adjustment) Adjustmentgtk3 Graphics.UI.Gtk.Abstract.Container 'focusHadjustment' property. See containerGetFocusHAdjustment and containerSetFocusHAdjustment
containerFocusVAdjustment :: ContainerClass self => ReadWriteAttr self (Maybe Adjustment) Adjustmentgtk3 Graphics.UI.Gtk.Abstract.Container 'focusVadjustment' property. See containerGetFocusVAdjustment and containerSetFocusVAdjustment
containerGetFocusHAdjustment :: ContainerClass self => self -> IO (Maybe Adjustment)gtk3 Graphics.UI.Gtk.Abstract.Container Retrieves the horizontal focus adjustment for the container. See containerSetFocusHAdjustment.