Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/PreludeText/_ReadConArg.hs
module Prelude where import TReadS _readConArg :: (Read a) => (String -> [(a->b,String)]) -> ReadS b _readConArg fun = \ r -> [(c a,s) | (c,r) <- fun r, (a,s) <- readsPrec 10 r]