[Cuis-dev] method lookup

Mark Volkmann r.mark.volkmann at gmail.com
Sun Jul 14 14:02:21 PDT 2024


Are the following statements all true?

- Instance methods are associated with a class.
- Class methods are associated with the metaclass instance of a class.
- Each class holds a reference to a Dictionary that is used to map message
selectors to instance method implementations.
- Each metaclass instance holds a reference to a Dictionary that is used to
map message selectors to class method implementations.
- It is not possible to view the code for a metaclass (subclass of
Metaclass)  in a System Browser.
- The method lookup dictionaries cannot be inspected or explored.
- It is not possible to use the debugger to step through the method lookup
process.

-- 
R. Mark Volkmann
Object Computing, Inc.
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