John Carmack's keynote at Quakecon 2013 part 4

Why HN readers recommended it

Cited again and again as Carmack's key public statement on functional programming and purity in game development, plus his remarks on garbage collection.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

Kostiantyn Kostin

Topic

functional programming in games

Format

talk

Level

intermediate

HN recommenders in dataset

5

HN mentions in dataset

19

Recommendation years in dataset

2013–2025

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• Raymond Hettinger's talk about good code reviews -- [LINK] Carmack's talk about functional programming and Haskell -- [VIDEO] Jack Diederich's "Stop Writing Classes" -- [LINK] All with a good sense of humor.

• The use of monads is a side-effect (ha!) of committing to purity throughout a language, and that's what FP is being equated to: pure statically-typed FP. (You can argue about how justified that is, of course. I'm not going into that, but you might want …

• What you describe above is similar to what Carmack discussed at his QuakeCon keynote several years back when toying with a game engine on Haskell. Very interesting talk, [VIDEO]