The short version
Refinement-types tool for encoding invariants directly in Haskell.
From the HackerLinks archive
Liquid Haskell
Refinement-types tool for encoding invariants directly in Haskell.
At a glance:
First seen:2026-05-20
Last seen:2026-05-20
Times seen:1
Website:ucsd-progsys.github.io
Why it caught our attention
Strong alternative to sidecar verification and codegen.
Where it surfaced on Hacker News
2026-05-20
Editorial paraphrase
A commenter suggested Liquid Haskell or Lean to put invariants directly in the program instead of a sidecar.
Original threadFormal Verification Gates for AI Coding Loops