Name		Name	Last commit message	Last commit date
parent directory ..
Combinators.hs		Combinators.hs
Item.hs		Item.hs
README.md		README.md
Traversal.hs		Traversal.hs
slides.html		slides.html
slides.mdwn		slides.mdwn

README.md

Lenses

... by @opqdonut

Contents:

slides.html slides
slides.mdwn pandoc markdown source for slides
Item.hs defining lenses for your own datatype
Combinators.hs some example lenses: choosing, _all
Traversal.hs generalizing Lenses to Traversals