Phase 8: Protocol System — defprotocol, extend-type, extend-protocol, satisfies?
- types.janet: type-registry, register-protocol-method, find-protocol-method, type-satisfies?
- core.janet: rewritten protocol macros (defprotocol, extend-type, extend-protocol, reify)
Protocol value stores :jolt/type :jolt/protocol with :methods map
Method dispatch fns use fn* [this & rest-args] → protocol-dispatch special form
- evaluator.janet: protocol-dispatch, register-method, make-reified special forms
satisfies? special form with type registry lookup
special-symbol? entries for all 3 protocol ops + satisfies?
- 4 test sections (35-38): defprotocol, extend-type, extend-protocol, satisfies?
extend-type: basic dispatch works (42 constant), .-field accessor needs further debug
satisfies?: fully functional with type registry
- 315 ok, 2 fail (pre-existing, unchanged)
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