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.
- Oct
  - 13
    - Data Constructors, Part 2: Better TypeScript — JOURNAL
      
      A deep dive on more idiomatic TypeScript implementations of ML-style data constructors.
2021
- Jan
  - 22
    - Using Classes for Functional Programming — JOURNAL
      
      We tend to think classes are inherently for object-oriented programming, but they are much more flexible than that in JavaScript and TypeScript (and other languages too).
- Feb
  - 13
    - Announcement: Speaking at EmberConf 2021 — ELSEWHERE
      
      In which I’ll be speaking for 30 minutes at a JS conference… and will spend only about 5 of those minutes on JS.
- Mar
  - 21
    - Progressive Disclosure of Complexity and Typed FP Languages — JOURNAL
      
      Or, one part of why to some extent Elm, and to a significant degree PureScript Halogen, can be quite difficult for users to get their heads around at first.
  - 31
    - Keep It Local — ELSEWHERE
      
      Or: (part of) what “reasoning about your code” really means; being my EmberConf 2021 talk.
- Nov
  - 18
    - Reading “A Functional Programming Language with Versions” — LIBRARY
      
      The first academic research I’m aware of which actually takes Semantic Versioning seriously!
2022
- Jan
  - 28
    - Announcement: Speaking at TypeVille 2022 — ELSEWHERE
      
      On the subject of “Types as Tools for Thought”

Sym·poly·mathesy

by Chris Krycho

topic: functional programming

2020

Apr

09

JavaScript Functional Immutable Update Performance — JOURNAL

May

25

Making Illegal States Unrepresentable — In TypeScript — JOURNAL

Sep

05

Data Constructors, Part 1: Understanding by Implementing — JOURNAL

Oct

13

Data Constructors, Part 2: Better TypeScript — JOURNAL

2021

Jan

22

Using Classes for Functional Programming — JOURNAL

Feb

13

Announcement: Speaking at EmberConf 2021 — ELSEWHERE

Mar

21

Progressive Disclosure of Complexity and Typed FP Languages — JOURNAL

31

Keep It Local — ELSEWHERE

Nov

18

Reading “A Functional Programming Language with Versions” — LIBRARY

2022

Jan

28

Announcement: Speaking at TypeVille 2022 — ELSEWHERE