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Re:Ask HN: Are you writing your own programming language? by kenosha on Thursday November 05, 2026 @08:59AM (#50379131)
Yes, I am. I’ve been working on a language for what I think the future of programming might look like under fast and intelligent LLMs. In my own projects and at work it’s already getting close to where the inner loop of checking, linking, compiling and running is slower than the LLMs thinking and edits. I’ve been working on a language that makes it fast to run large programs without sacrificing lots of runtime performance. There are some other tools and features to hopefully keep the inner loop tight.

Additionally, I’ve been really fascinated by the idea of a language that makes LLM observation and rewrites at runtime possible. There is an interface to get profile data and replace functions at runtime based on the analysis of an LLM.

Lastly, I’ve always wanted a language that could model more of the external environment and make those easier/safer to interact with. I think of libraries like Kysely as an example of making that easier. It’s a really cool time to be playing around with these.

Re:Ask HN: Are you writing your own programming language? by empath75 on Thursday November 05, 2026 @09:02AM (#50379182)
Additionally, I’ve been really fascinated by the idea of a language that makes LLM observation and rewrites at runtime possible. There is an interface to get profile data and replace functions at runtime based on the analysis of an LLM.

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I poked around at this idea myself and it is a great idea to try and probably a security nightmare to implement. It also isn’t far off from what the JVM does anyway and would probably not work as well.