11 Nov
2018
11 Nov
'18
4:55 a.m.
I'm +1 on this, since it is conventional to write addition (and others)
over function as such in most math textbooks.
2018년 11월 11일 (일) 13:48에 Daniel Cartwright
relevant reddit comment thread: https://www.reddit.com/r/haskell/comments/9vtis5/the_universe_of_discourse_i...
instance Num b => Num (a -> b) where f + g = \x -> f x + g x f * g = \x -> f x * g x f - g = \x -> f x - g x negate f = \x -> negate (f x) abs f = \x -> abs (f x) signum f = \x -> signum (f x) fromInteger i = \x -> fromInteger (f x) _______________________________________________ Libraries mailing list Libraries@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/libraries