[Haskell-cafe] Shortening if-then-else

[Joel Reymont]

Is there a shorter way to write the if-then-else part below?

--
tryTakeSeat :: [Word8] -> Word8 -> ScriptState (Maybe Word8)
tryTakeSeat _ _ =
    do ...
       if (cmdType cmd) /= (CmdSitError Server)
          then return $ Just seat_num
          else return Nothing
--

        Thanks, Joel

--
http://wagerlabs.com/





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