quickdudley

{-# LANGUAGE NoMonomorphismRestriction #-}

import Text.ParserCombinators.Parsec
import Text.ParserCombinators.Parsec.Token hiding (parens)
import Text.ParserCombinators.Parsec.Expr
import Control.Applicative hiding ((<|>))
import Control.Monad
import Prelude hiding (not)

data Expr = Not Expr | And Expr Expr | Or Expr Expr | Var Char | SubExpr Expr deriving Eq