Claude ff6130bede Add sealed module: modelling domains with sealed types and exhaustive switch ...

Payment model, permits and the three modifiers, default-branch trap, generic and recursive hierarchies, visitor comparison, run-time enforcement, modules. Transcripts from JDK 21, 25 and 27.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01TF9JWFvJSNm6HVzswzZU5a

2026-09-24 12:03:59 +00:00

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demo.pay

Add sealed module: modelling domains with sealed types and exhaustive switch

2026-09-24 12:03:59 +00:00