# Functors, Applicatives, and Monads in Plain English

### This is a no-bullshit zone

April 18, 2016

Let's learn what Monads, Applicatives, and Functors are, only instead of relying on obscure functional vocabulary or category theory we'll just, you know, use plain english instead.

# Functors

Functors are containers you can call map on. That's it. Seriously.

A million words of category theory and Haskell examples to say Functors . . .

# Type Erasure

### It's parameters all the way down

April 11, 2016

Update: You can read even more about type erasure with lots of example code

A friend of mine @purpleyay gave a talk at try! Swift in Japan about type erasure this week last month. For those of us who didn't attend, what's the deal with type erasure anyway?

More specifically, what is type erasure in the context of Swift and Protocols . . .