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|
module Grasp.Types (
Instruction(..),
EdgeLabel(..),
GNode(..),
GEdge(..),
gnode,
gninst,
gefrom,
geto,
gelabel
) where
import Grasp.Graph( Node, LNode, LEdge )
newtype Instruction = Instruction String
deriving (Eq, Show)
newtype EdgeLabel = EdgeLabel String
deriving (Eq, Show)
newtype GNode = GNode (LNode Instruction)
deriving (Eq, Show)
newtype GEdge = GEdge (LEdge EdgeLabel)
deriving (Eq, Show)
gnode :: GNode -> Node
gnode (GNode a) = fst a
gninst :: GNode -> Instruction
gninst (GNode a) = snd a
gefrom :: GEdge -> Node
gefrom (GEdge (a,_,_)) = a
geto :: GEdge -> Node
geto (GEdge (_,b,_)) = b
gelabel :: GEdge -> EdgeLabel
gelabel (GEdge (_,_,c)) = c
|
