[xmonad] Haskell question: avoiding code duplication
allbery.b at gmail.com
Sat Feb 2 19:30:36 CET 2013
On Sat, Feb 2, 2013 at 1:08 PM, Peter Jones <mlists at pmade.com> wrote:
> The last two lines demonstrate the pattern I've been seeing. The only
> way I know how to remove this duplication is to move it out into a
> top-level function. Is that correct?
You might instead wrap your hook in
doEvent :: (Event -> X a) -> X All
doEvent act = \e -> act e >> idHook -- or pointfree: (>> idHook) . act
brandon s allbery kf8nh sine nomine associates
allbery.b at gmail.com ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net
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