Don't Fear the Profunctor Optics!

This is a series of posts on Profunctor Optics. They're heavily inspired on this awesome article by Pickering et al. Our contribution relies on providing box diagrams to make profunctor and profunctor optics easier to approach.

• Part I: Optics, Concretely
• Part II: Profunctors
• Part III: Profunctor Optics

Any feedback is welcome!