bimapL :: (Window -> Window) -> (Window -> Window) -> Layout -> Layout
bimapL f0 f1 (VSplitLayout t u d p s) = VSplitLayout t u d (f0 p) (f1 s)
bimapL :: (Window -> Window) -> (Window -> Window) -> Layout -> Layout
bimapL f0 f1 (VSplitLayout t u d p s) = VSplitLayout t u d (f0 p) (f1 s)
bimapL f0 f1 (VSplitLayout t u d p s) = VSplitLayout t u d (f0 p) (f1 s)