ampersand-3.0.2: src/lib/DatabaseDesign/Ampersand/ADL1/Pair.hs

{-# OPTIONS_GHC -Wall #-}
{-# LANGUAGE TypeSynonymInstances #-}
{-# LANGUAGE FlexibleInstances #-}
module DatabaseDesign.Ampersand.ADL1.Pair
                    ( Paire,Pairs
                    , srcPaire,trgPaire
                    , mkPair
                    ) 
where

   type Pairs = [Paire]
   srcPaire :: Paire -> String
   trgPaire :: Paire -> String
   type Paire = (String,String)
   mkPair :: String -> String -> Paire
   mkPair a b = (a,b)
   srcPaire = fst
   trgPaire = snd
--   data Paire = Paire {srcPaire ::String
--                      ,trgPaire ::String
--                      } deriving (Show ,Eq)
--   mkPair = Paire