[reactive] First draft of reactive-tetris
wchogg at gmail.com
Tue Nov 18 13:20:15 EST 2008
On Tue, Nov 18, 2008 at 12:15 PM, Conal Elliott <conal at conal.net> wrote:
> Also, a less forgetful version of subs might be useful:
> withSubs xs e :: [a] -> Event b -> Event (b,a)
> and then
> subs xs e = snd <$> withSubs xs e
> or, if you like,
> subs = (fmap.fmap.fmap) snd withSubs
> Btw, you can read the three fmaps directly from the signature of withSubs
> (two arrows plus one Event on the way to the pair).
> - Conal
That's a cute trick with the number of fmap's required. Never thought of it
Also, I'd like to apologize for not mentioning quicksilver from #haskell in
my last e-mail. An honest slip-up, but an inappropriate one.
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