Lenses, Folds, and Traversals

Why it was recommended

I found this talk by edward kmett incredibly helpful[0].

Strong recommendationmijoharas · Original2014-11

What it covers

Edward Kmett's talk to the NY Haskell User Group on the lens library, building from fmap and function composition up to lenses, folds and traversals. It shows how these. It is for someone who wants the derivation, proof, or implementation detail.

Video details

Channel

Edward Kmett

Length

1 hr 54 min

Year

2012

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