"why should i understand how to write Functor instances when, if you'd told me about the GHC extension, i could just derive them?"pic.twitter.com/JvggApJU7q
-
-
Replying to @argumatronic
Well, because sometimes when you derive the Functor, you get the wrong one, or that performs poorly.
2 replies 0 retweets 1 like -
Replying to @dibblego
in this case, he was surprised by its behavior, although if he understood Functor at all, he wouldn't have been. *sigh*
1 reply 0 retweets 0 likes
Replying to @argumatronic
An uninformed, opinionated programmer? Get outta here, never happens.
1:44 PM - 21 Feb 2017
0 replies
2 retweets
5 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.