diff options
Diffstat (limited to 'src/Grasp/GNode.hs')
-rw-r--r-- | src/Grasp/GNode.hs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/Grasp/GNode.hs b/src/Grasp/GNode.hs new file mode 100644 index 0000000..3c8161e --- /dev/null +++ b/src/Grasp/GNode.hs @@ -0,0 +1,60 @@ +module Grasp.GNode ( + GNode, + Instruction, + + mkGNode, + mkInst, + + toNode, + toInst, + toLNode, + + instToFloat + ) where + + + + +import Grasp.Graph( Node, LNode ) +import Text.Read( readMaybe ) + + + + +newtype Instruction = Instruction String + deriving (Show, Eq) + +newtype GNode = GNode (LNode Instruction) + deriving (Show, Eq) + + + + +mkGNode :: LNode Instruction -> GNode +mkGNode = GNode + + + +mkInst :: String -> Instruction +mkInst = Instruction + + + +toNode :: GNode -> Node +toNode (GNode n) = fst n + + + +toInst :: GNode -> Instruction +toInst (GNode n) = snd n + + + +toLNode :: GNode -> LNode Instruction +toLNode (GNode n) = n + + + +instToFloat :: Instruction -> Maybe Float +instToFloat (Instruction i) = readMaybe i + |