diff options
| -rw-r--r-- | XMonad/Layout/Groups.hs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/XMonad/Layout/Groups.hs b/XMonad/Layout/Groups.hs index 4eaea40..984aa46 100644 --- a/XMonad/Layout/Groups.hs +++ b/XMonad/Layout/Groups.hs @@ -353,9 +353,10 @@ refocus g = case getFocusZ $ gZipper $ W.focus $ groups g -- * Duplicate layouts (only one will be kept, the rest will -- get the base layout) -- --- Note that 'ModifySpec' is a rank-2 type (indicating that 'ModifySpec's must be polymorphic --- in the layout type), so you'll need to add @{-# LANGUAGE Rank2Types #-}@ at the beginning --- of any module that defines functions taking 'ModifySpec's as arguments, or returning them. +-- Note that 'ModifySpec' is a rank-2 type (indicating that 'ModifySpec's must +-- be polymorphic in the layout type), so if you define functions taking +-- 'ModifySpec's as arguments, or returning them, you'll need to write a type +-- signature and add @{-# LANGUAGE Rank2Types #-}@ at the beginning type ModifySpec = forall l. WithID l Window -> Zipper (Group l Window) -> Zipper (Group l Window) |