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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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,...