darcs-2.18.5: a distributed, interactive, smart revision control system
Safe HaskellNone
LanguageHaskell2010

Darcs.Patch.Witnesses.WZipper

Synopsis

Documentation

data FZipper (a :: Type -> Type -> Type) wX wZ where Source #

Constructors

FZipper :: forall (a :: Type -> Type -> Type) wX wY wZ. RL a wX wY -> FL a wY wZ -> FZipper a wX wZ 

focus :: forall (a :: Type -> Type -> Type) wX wY. FZipper a wX wY -> Maybe (Sealed2 a) Source #

leftmost :: forall (p :: Type -> Type -> Type) wX wY. FZipper p wX wY -> Bool Source #

left :: forall (p :: Type -> Type -> Type) wX wY. FZipper p wX wY -> FZipper p wX wY Source #

rightmost :: forall (p :: Type -> Type -> Type) wX wY. FZipper p wX wY -> Bool Source #

right :: forall (p :: Type -> Type -> Type) wX wY. FZipper p wX wY -> FZipper p wX wY Source #

jokers :: forall (a :: Type -> Type -> Type) wX wY. FZipper a wX wY -> FlippedSeal (FL a) wY Source #

See clowns

clowns :: forall (a :: Type -> Type -> Type) wX wY. FZipper a wX wY -> Sealed (RL a wX) Source #

"Clowns to the left of me, jokers to the right. Here I am, stuck in the middle of you" http://en.wikipedia.org/wiki/Stuck_in_the_Middle

flToZipper :: forall (a :: Type -> Type -> Type) wX wY. FL a wX wY -> FZipper a wX wY Source #

lengthFZ :: forall (a :: Type -> Type -> Type) wX wY. FZipper a wX wY -> Int Source #

nullFZ :: forall (a :: Type -> Type -> Type) wX wY. FZipper a wX wY -> Bool Source #

toEnd :: forall (p :: Type -> Type -> Type) wX wY. FZipper p wX wY -> FZipper p wX wY Source #

toStart :: forall (p :: Type -> Type -> Type) wX wY. FZipper p wX wY -> FZipper p wX wY Source #