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📝 Check off the tagged-union non-key tags task

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tmu committed 2026-09-22 10:23:06 +00:00
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@@ -72,8 +72,8 @@ Enhancements:
✔ Allow boolean literals in primitive union patterns (e.g. `true: () => "yes"`) @medium @done ✔ Allow boolean literals in primitive union patterns (e.g. `true: () => "yes"`) @medium @done
✔ Are there other primitive types that should be supported in union patterns? (e.g. `bigint`, `symbol`) @medium @done ✔ Are there other primitive types that should be supported in union patterns? (e.g. `bigint`, `symbol`) @medium @done
→ added boolean, null and undefined; rejected `symbol` (compile-time brand, nothing at runtime) and `bigint` (not a property key) → added boolean, null and undefined; rejected `symbol` (compile-time brand, nothing at runtime) and `bigint` (not a property key)
☐ Allow boolean, null and undefined discriminant values in tagged-union patterns @medium ✔ Allow boolean, null and undefined discriminant values in tagged-union patterns @medium @done
→ needs the primitive-union matcher's `PatternKey` / `PatternParam` projection; see development/library.md § Tagged-union matcher → moved the `PatternKey` / `PatternParam` projection to `matcher-shared.ts` and keyed the tagged-union handler map through it; see development/library.md § Tagged-union matcher
Documentation: Documentation:
☐ Bring README.md back to its previous form — synopsis and examples restored, in the correct place ☐ Bring README.md back to its previous form — synopsis and examples restored, in the correct place