Understanding Objects and Classes in CRuby

2023/08/17

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The article provides an introduction to objects and classes in CRuby, the Ruby implementation in C. It explains that objects in Ruby are represented by the RObject struct, which contains instance variables values. However, there are no methods stored in an object; instead, objects respond to instance methods. The article then delves into the definition of a class in CRuby, which is represented by the RClass struct. It mentions that class variables, constants, and instance variables defined within a class are all stored in the same location. The article also touches on the concepts of superclasses, ancestors, and subclasses in Ruby. It warns about the potential issues with the subclasses method and advises caution when using it. Overall, the article provides a solid foundation for understanding objects and classes in CRuby.