THE VIDEO SHELF · jai programming language
Jonathan Blow - Jai Demo and Design Explanation (KEYNOTE) - Updated
Jonathan Blow's LambdaConf 2025 keynote demonstrates the Jai programming language and explains its design. It includes demos of metaprogramming and tools that visualize programs.
Why HN readers recommended it
HN points to it for seeing Jai's compile-time metaprogramming in practice and for Blow's tools that visualize programs to spot problems.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- LambdaConf
- Topic
- jai programming language
- Format
- talk
- Level
- advanced
- HN recommenders in dataset
- 2
- HN mentions in dataset
- 3
- Recommendation years in dataset
- 2025–2026
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.
AI building complex visualisations for you on-the-fly seems like a great use-case. For example, if you are debugging memory leaks in a specific code path, you could get AI to write a visualisation of all the memory allocations and frees under that code path to …
sothatsit on Hacker News · 2025-07
In Enough AI copilots, we need AI HUDs> What features in Jai make it superior to C++ for writing games specifically? I know that Jonathan Blow can be abrasive and one-sided in his talks on programming, but I think we should be open-minded about Jai. Yes, he is making this language because …
matthewkayin on Hacker News · 2025-12
In Jonathan Blow has spent the past decade designing 1,400 puzzles
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.
