Re: [Haskell-cafe] Parse Error ( Parsec )

On 11 January 2014 11:12, mukesh tiwari wrote:

table = [ [ Prefix ( Not <$ string "~" ) ] , [ Infix ( And <$ string "&" ) AssocLeft ] , [ Infix ( Or <$ string "|" ) AssocLeft ] , [ Infix ( Imp <$ string "=>" ) AssocLeft , Infix ( Red <$ string "<=" ) AssocLeft , Infix ( Eqi <$ string "<=>" ) AssocLeft

Have you tried changing the order here? I would expect the "<=>" check to have to come before the "<=" check? I haven't played with this so I'm just guessing.