Friday, March 16, 2018

Functors, Applicatives, And Monads In Pictures

Simple enough. Lets extend this by saying that any value can be in a context. For now you can think of a context as a box that you can put a value in: Now when you apply a function to this value, you'll get different results depending on the context.

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Finite-State Machines, Part 1: Modeling with Haskell Data Types

Stateful programs often become complex beasts as they grow. Program state incohesively spread across a bunch of variables, spuriously guar...