module Prelude(Read(..)) where import Char(readLitChar) instance Read Char where readsPrec p = readParen False (\r -> [(c,t) | ('\'':s,t)<- lex r, (c,"\'") <- readLitChar s]) readList = readParen False (\r -> [(l,t) | ('"':s, t) <- lex r, (l,_) <- readl s ]) where readl ('"':s) = [("",s)] readl ('\\':'&':s) = readl s readl s = [(c:cs,u) | (c ,t) <- readLitChar s, (cs,u) <- readl t ]