Re: [Haskell-cafe] Equivalent of if/then/else for IO Bool?

On 11/23/06, Conor McBride wrote:

*Grr> ifM (Just True) (Just 3) Nothing Nothing

More care required!

Thank you. Now that you point this out I recall that I've made this mistake in the past with (&&), I once wrote something like liftM2 (&&). I forget that the liftM* family binds the parameters before passing them on. Hopefully the lesson will stick this time. Jason