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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 hari yang lalu·1 comments

Mamba-3 and the State Space Model Renaissance

ngrislain.github.io
1 points·by ngrislain·3 bulan yang lalu·0 comments

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

ngrislain.github.io
1 points·by ngrislain·3 bulan yang lalu·0 comments

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

ngrislain.github.io
34 points·by ngrislain·4 bulan yang lalu·23 comments

Reading Note: Sequential-Parallel Duality in Prefix Scannable Models

ngrislain.github.io
2 points·by ngrislain·4 bulan yang lalu·0 comments

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

github.com
2 points·by ngrislain·4 bulan yang lalu·1 comments

Don't Vibe – Prove

ngrislain.github.io
4 points·by ngrislain·4 bulan yang lalu·0 comments

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

github.com
1 points·by ngrislain·5 bulan yang lalu·0 comments

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

ngrislain.github.io
2 points·by ngrislain·5 bulan yang lalu·0 comments

Lean Advent of Code 2025

github.com
1 points·by ngrislain·7 bulan yang lalu·2 comments

Teaching 3D Geometry with Pyxel

ngrislain.github.io
1 points·by ngrislain·8 bulan yang lalu·0 comments

comments

ngrislain
·17 hari yang lalu·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 bulan yang lalu·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 bulan yang lalu·discuss
Yes the user has to be cooperative somehow. You could emulate linear/affine types like features with indexed monads though.
ngrislain
·4 bulan yang lalu·discuss
You are right, what I wrote is more of a PoC. It's valid for blocking sockets on the happy path.
ngrislain
·4 bulan yang lalu·discuss
Fair point! Updated. I’m definitely coming at this more from a Lean 4/formal methods perspective than a POSIX one.
ngrislain
·7 bulan yang lalu·discuss
Just finished
ngrislain
·7 bulan yang lalu·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 bulan yang lalu·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 bulan yang lalu·discuss
A good opportunity to learn a new programming language: https://news.ycombinator.com/item?id=46105849
ngrislain
·7 bulan yang lalu·discuss
Advent of Code 2025 in Lean...