Generically derive traversals, lenses, and prisms.

A lightweight (but compatible with ‘lens’) lenses library

Don't Fear the Profunctor Optics!

A presentation for BayHac 2017 on how I uses lenses at work

👓 Profunctor based lightweight implementation of Lenses

Lenses, fp getter & setter

Lensy interface for parsing CSV's

Text lenses using PCRE regexes

Giphy HTTP API Wrapper for Haskell

Taking the confusing parts out of lens without sacrificing the power.

Homework to practice Foldable, Traversable, State/Parser, Monad Transformers and Combinators, Arrow, and Lens

Bioinformatics algorithms playground/library for Haskell

Course material for lens

A little Lorenz attractor in Haskell using Gloss in order to learn Lenses and State monad.

For Azimuth ACT course

FastChef: estudo de caso aplicando web scraping em sites de receitas culinárias.