HN
Hacker News
Top
New
Best
Ask
Show
Jobs
Comment by neutronicus | Hacker News Reader
Parent
Full thread
neutronicus
·
It doesn't have to be specialized to []
View on HN
asdkjh345fd
·
Of course not. But it still has a type.
Functor f => (a -> b) -> f a -> f b
Reply on news.ycombinator.com