Rust
snapkitty
compilers
lean4
File size: 498 Bytes
81b9e0e
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
-- Verification.lean — Formal verification
-- Non-recursive. WORM-sealed.

import Mathlib

/-- Verification result -/
structure VerificationResult where
  verified : Bool
  proof_hash : String
  timestamp : String

/-- Verify a declaration -/
def verifyDeclaration (name : String) (content : String) : VerificationResult :=
  {
    verified := name.length > 0 && content.length > 0
    proof_hash := s!"proof:{name}:{content.length}"
    timestamp := "2026-07-01T00:00:00Z"
  }