topic: functional programming

Everything I’ve written on the subject, from the beginning of this version of the site.

I may also have written on this on earlier versions of my website:

2006 – 2011 (link coming soon!)
did not have a blog!
2012 – 2013 (link coming soon!)
2014 – 2019

2020
- Apr
  - 09
    - JavaScript Functional Immutable Update Performance — JOURNAL
      
      What are the performance implications of “immutable functional updates”?
- May
  - 25
    - Making Illegal States Unrepresentable — In TypeScript — JOURNAL
      
      Showing how Scott Wlaschin’s approach in F^♯ translates to a language with a very different type system.
- Sep
  - 05
    - Data Constructors, Part 1: Understanding by Implementing — JOURNAL
      
      Understanding an idea from Standard ML-like languages by implementing it in (boring) TypeScript.