Hazel: A live functional programming environment with typed holes
9 comments
·July 15, 2025bitbasher
Hazel is also the name of Cherno's game engine.[1]
Awtem
i love it. That being said, please show some examples and screenshots on the homepage and github's Readme.
disconcision
unfortunately the best source for examples and screenshots at the moment might be a search of my twitter feed: https://x.com/search?q=from%3Adisconcision%20hazel ... we need to update the website
burnt-resistor
Missed opportunity to call it "Donut". ;o)
dub_gui
The live demo is super cool! https://hazel.org/build/dev/
eterps
It would be incredibly interesting to see how LLM code generation would hook into this.
gregtc
This is a paper about Chat LLMs in Hazel: https://arxiv.org/abs/2409.00921
disconcision
llm hole filling ala the paper is actually live in the dev version right now (if you enter an openrouter API key in the second sidebar tab). it's slow and buggy at the moment though, it's only been running at all for the last few days
Related. Others?
Hazel: A live functional programming environment featuring typed holes - https://news.ycombinator.com/item?id=42004133 - Oct 2024 (86 comments)
Hazel: A live functional programming environment featuring typed holes - https://news.ycombinator.com/item?id=24299852 - Aug 2020 (14 comments)