[Haskell-beginners] Operator orders affect parse result

[Francesco Ariis]

On Mon, Apr 13, 2015 at 03:49:43PM +0800, m00nlight wrote:
> Hi Francesco,
> 
> Thanks for your reply. But after I change the aOperators like the following, it still produce non-correct parse result.
> 
> aOperators = [ [Prefix (reservedOp "-" >> return (Neg ))]
>              , [ Infix (reservedOp "*" >> return (ABinary Divide )) AssocLeft,
>                  Infix (reservedOp "/" >> return (ABinary Multiply )) AssocLeft]
>              , [Infix (reservedOp "+" >> return (ABinary Add )) AssocLeft,
>                 Infix (reservedOp "-" >> return (ABinary Subtract )) AssocLeft]
>             ]

Check those lines:

    , [ Infix (reservedOp "*" >> return (ABinary Divide )) AssocLeft,
        Infix (reservedOp "/" >> return (ABinary Multiply )) AssocLeft]

Divide should go on the same line of "/", not "*"! Similar fix for Multiply!