part5polymorphic: add F05-F08 (default typing modes, type validation, sealed hierarchies, unknown subtypes) for the rewritten polymorphism post (#59)

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01JXVi2GMQ7bR5EmbUFdDj7N
2026-10-09 10:35:38 +00:00
parent 84070a8dfb
commit b1663c235d
9 changed files with 277 additions and 3 deletions
@@ -0,0 +1,11 @@
+each as Event.class:
+  {"kind":"payment","id":"p1","amount":10.0}
+  {"kind":"refund","id":"r1","amount":4.0}
+  {"kind":"login","user":"ann"}
+  {"kind":"F07SealedHierarchies$Logout","user":"ann"}
+round trip equal: true
+  payment 10.0
+  refund 4.0
+  login ann
+  logout ann
+nested sealed type read as Audit.class: Login[user=bo]