7.7. Inspecting object capabilities
Inspection and reflection refer, collectively, to the various ways in which you can get Ruby objects to tell you about themselves during their lifetimes. Much of what you learned earlier about getting objects to show string representations of themselves could be described as inspection. In this section, we’ll look at a different kind of runtime reflection: techniques for asking objects about the methods they can execute.
How you do this depends on the object and on exactly what you’re looking for. Every object can tell you what methods you can call on it, at least as of the moment you ask it. In addition, class and module objects can give you a breakdown of the methods they provide for the objects that have ...
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