14 Aug
2011
14 Aug
'11
1:24 p.m.
On Sun, Aug 14, 2011 at 12:36, Brent Yorgey
On Sat, Aug 13, 2011 at 02:47:04PM -0400, Brandon Allbery wrote:
Isn't this just mconcat?
No. The Monoid instance for Maybe defined in Data.Monoid is the one which lifts a Monoid instance on a to a Monoid instance on Maybe a.
Yeh, as usual I realized that about 5 minutes after sending, by which time someone else had already pointed it out. -- brandon s allbery allbery.b@gmail.com wandering unix systems administrator (available) (412) 475-9364 vm/sms