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ngrislain

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Vibe Under Constraint - Claude Code writing Lean 4

ngrislain.github.io
3 points·by ngrislain·17 giorni fa·1 comments

Mamba-3 and the State Space Model Renaissance

ngrislain.github.io
1 points·by ngrislain·3 mesi fa·0 comments

The Signature Method in Machine Learning (an interactive reading note)

ngrislain.github.io
1 points·by ngrislain·3 mesi fa·0 comments

Zero-Cost POSIX Compliance: Encoding the Socket State Machine in Lean's Types

ngrislain.github.io
34 points·by ngrislain·4 mesi fa·23 comments

Reading Note: Sequential-Parallel Duality in Prefix Scannable Models

ngrislain.github.io
2 points·by ngrislain·4 mesi fa·0 comments

Show HN: Lean-pq a typesafe PostgreSQL connector for lean

github.com
2 points·by ngrislain·4 mesi fa·1 comments

Don't Vibe – Prove

ngrislain.github.io
4 points·by ngrislain·4 mesi fa·0 comments

Lean-PQ – Type-safe PostgreSQL bindings for Lean 4 via libpq FFI

github.com
1 points·by ngrislain·5 mesi fa·0 comments

How to Die Optimally – A Theory of Consumption When AI Takes Your Job

ngrislain.github.io
2 points·by ngrislain·5 mesi fa·0 comments

Lean Advent of Code 2025

github.com
1 points·by ngrislain·7 mesi fa·2 comments

Teaching 3D Geometry with Pyxel

ngrislain.github.io
1 points·by ngrislain·8 mesi fa·0 comments

comments

ngrislain
·17 giorni fa·discuss
Vibe coding is great. You describe what you want, the agent writes it, the tests pass, you ship. It keeps working right up to the moment it does not: the job gets killed by the OOM reaper in production, or it opens ten thousand file descriptors and falls over, or it runs fine on the sample and melts on the real dataset.
ngrislain
·2 mesi fa·discuss
100%, I’ve been writting: Rust, Haskell and Lean 4 with great success with AI. E.g. https://github.com/typednotes/hale
ngrislain
·4 mesi fa·discuss
Yes the user has to be cooperative somehow. You could emulate linear/affine types like features with indexed monads though.
ngrislain
·4 mesi fa·discuss
You are right, what I wrote is more of a PoC. It's valid for blocking sockets on the happy path.
ngrislain
·4 mesi fa·discuss
Fair point! Updated. I’m definitely coming at this more from a Lean 4/formal methods perspective than a POSIX one.
ngrislain
·7 mesi fa·discuss
Just finished
ngrislain
·7 mesi fa·discuss
Yes, I'm doing it without AI to learn the language, nonetheless I do think that Lean 4 + AI is a super-powerful combination.
ngrislain
·7 mesi fa·discuss
Yes, this year I'm going for Lean 4: https://github.com/ngrislain/lean-adventofcode-2025

It's a great language. It's dependent-types / theorem-proving-oriented type-system combined with AI assistants makes it the language of the future IMO.
ngrislain
·7 mesi fa·discuss
A good opportunity to learn a new programming language: https://news.ycombinator.com/item?id=46105849
ngrislain
·7 mesi fa·discuss
Advent of Code 2025 in Lean...