Phosphor

• September 19, 2026 Blackjack in Phosphor: A Door Game as a Language Test

  Every language looks fine in its own test suite. The tests were written by the same people who wrote the language, with the same blind spots. The only …

• September 19, 2026 UserDefaults for a BBS: A Generic Preferences and State API

  Every non-trivial app eventually faces the same question: where does small user configuration live, and where does user data live? macOS answered this …