On Wed, Jul 25, 2007 at 09:35:38PM +0400, Bulat Ziganshin wrote: > Hello Jon, > > Wednesday, July 25, 2007, 8:07:57 PM, you wrote: > >> Q: how to see operators precedence in GHCi? > >> In the definition of `it': it = showParen $ (2 + (3 * 4)) > > > Hmm, OK, but not that much quicker than going > > Prelude> :info (*) > > it just my poor english :) i mean - "how to see how Haskell will > parse some expression?". it will be too slow to look up each > precedence and parse expression by hand :)
Much easier: [EMAIL PROTECTED]:~$ ghci GHCi, version 6.7.20070712: http://www.haskell.org/ghc/ :? for help Loading package base ... linking ... done. Prelude> :set -ddump-parsed Prelude> 2 + 3 * 4 ==================== Parser ==================== Just (2 + 3) * 4 14 Prelude> Stefan
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