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+// assume special receiver (as opposed to smalltalk/objC style message passing)
+//    -- actually, on second thought, this has nothing to do with dispatching (and smalltalk is single dispatch)
+//    -- (no touching multiple dispatch since that's equivalent to reinventing a new language)
+// overloading discouraged, because runtime has to do extra work dispatching
+// declare functions outside, with `this` keyword marking receiver
+// - in C, func -> prefixed with reciever type, 1st arg is reciever pointer
+// - in C++, func -> member function
+// - lua (or whatever else), reciever type correspondingly
+
+Foo {
+    data
+}
+
+// C: mangling
+// C++: overloading
+// Lua: generate binding with type detection based dispatcher
+fn some_function(this: Foo, arg: i32)
+fn some_function(this: Foo)
+
+// alternative: use S-expression, get rid of parsing step?