jfmengels' blog
Written by Jeroen Engels, author of elm-review. You can follow him on Twitter.
Single out elements using phantom types
May 04, 2020Today, I will showcase a technique to single out elements from a type, through the medium of a puzzle (which you can try to solve or ignore…
Safe unsafe operations in Elm
April 27, 2020In Elm, we often have modules around a data type which needs a validation when you initially create it. For instance, the package defines a…
elm-review v2!
April 08, 2020Today I am very excited to release 2.0.0 and to share its new features! tl;dr: Here is the list of the introduced features: New review…
Announcing elm-review
September 29, 2019I am happy to announce the release of and its CLI. What is elm-review? is a tool that analyzes your project’s Elm code, and reports…
The API of a water tap
January 02, 2019Let’s say we wanted to represent a water tap. This tap will have two knobs, one to control cold water output and another one for warm water…