New posts in Functor

How does <*> derived from pure and (>>=)?

How is "a monoid on applicative functors" different than "a monoid in the category of endofunctors"?

What is the difference between a Functor and a Monad?

Is this property of a functor stronger than a monad?

(r ->) applicative functor

What's the relationship between profunctors and arrows?

Is there a Functor that cannot be a law-abiding Apply?

Why does a js map on an array modify the original array?

Why can't operator () of stateless functor be static?

Is (\f -> fmap f id) always equivalent to arr?