Sunday, March 25, 2018

Functors, Applicative Functors and Monoids

Haskell's combination of purity, higher order functions, parameterized algebraic data types, and typeclasses allows us to implement polymorphism on a much higher level than possible in other languages. We don't have to think about types belonging to a big hierarchy of types.

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How can you work with a JSON value if you know nothing about it?

I have talked about the difficulty of typing certain JSON values coming from some APIs. The JSON is just very complicated. When I do that,...