- A Little Lens Starter Tutorial - School of Haskell https://www.fpcomplete.com/school/to-infinity-and-beyond/pick-of-the-week/a-little-lens-starter-tutorial 37 comments haskell
- A Little Lens Starter Tutorial - School of Haskell https://www.fpcomplete.com/user/tel/a-little-lens-starter-tutorial 43 comments haskell