optics-exercises

Short answers to exercises are found in scratch.md.

Notes

Project generated with:

stack --nix --resolver lts-14.27 new optics-exercises

Some common options:

stack --nix repl --ghci-options "-XOverloadedStrings -XTypeSynonymInstances -XFlexibleInstances -XRankNTypes"

Lenses: compositional data access and manipulation (Simon Peyton Jones)
Writing a profunctor optics library in Haskell from scratch (Chris Penner)
- (pt. 1)