Wednesday, April 4, 2018

lens over tea #1: lenses 101, traversals 101, and some implementation details

lens over tea #1: lenses 101, traversals 101, and some implementation details

Okay, so I never could really understand how lens works. This is an attempt to understand lens as completely as possible, including the ideas behind it, the implementation, and the design choices.

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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...