Can I make an indirect call to an objects method, using a pointer or a procedural type?
Yes, but you’ll need to make aggressive use of casting, and to have a bit of background on just what a method call is. While method calls look and act very differently than normal calls — the call looks like a reference to one of the object’s fields, and there’s the implicit with Self do that lets us refer to the object’s fields as if they were global variables — at the level of words on the stack they’re not all that different from a normal procedure or function call. All methods have an `invisible’, or implicit, parameter, var Self, after any regular, or explicit, parameters; constructors and destructors also add an implicit word parameter (the 16-bit VMT pointer) between the explicit parameters and Self. Also, while constructors act as if they return a boolean, they actually return a pointer which contains @ Self if Fail was not called, and Nil if it was. The implicit parameters and the special handling of constructor results are the only differences between method calls and norma
