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module Grasp.Types.GEdge (
GEdge,
mk,
toSrc,
toDest,
toLabel,
toLEdge
) where
import Grasp.Graph( Node, LEdge )
import Grasp.Types.EdgeLabel( EdgeLabel )
newtype GEdge = GEdge (LEdge EdgeLabel)
deriving (Show, Eq)
mk :: LEdge EdgeLabel -> GEdge
mk = GEdge
toSrc :: GEdge -> Node
toSrc (GEdge (x,_,_)) = x
toDest :: GEdge -> Node
toDest (GEdge (_,y,_)) = y
toLabel :: GEdge -> EdgeLabel
toLabel (GEdge (_,_,z)) = z
toLEdge :: GEdge -> LEdge EdgeLabel
toLEdge (GEdge e) = e
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