20 May
2014
20 May
'14
6:10 p.m.
Hi, Am Dienstag, den 20.05.2014, 17:47 -0400 schrieb Edward Kmett:
-1 from me as well, though it is a much softer -1 than on the just breaking everyone silently by changing it.
_Lots_ of users initialize empty maps with mempty
no problem, let’s replace it with instance (Ord k) => Monoid (Map k v) where mempty = empty mappend = error "do not use Monoid (Map k v), it is ambiguous" Greetings, Joachim PS: No, I’m not serious. -- Joachim “nomeata” Breitner mail@joachim-breitner.de • http://www.joachim-breitner.de/ Jabber: nomeata@joachim-breitner.de • GPG-Key: 0xF0FBF51F Debian Developer: nomeata@debian.org