What are modules in Ruby?
Modules in Ruby are a way to group related methods, classes, and constants. They help in organizing code and can be mixed into classes.
How do I include a module in a class?
You can include a module in a class using the include
keyword followed by the module name. For example: class MyClass; include MyModule; end
.
Can a module have its own methods?
Yes, modules can have their own methods. You can define methods within a module just like you do in a class.
What is the difference between include and extend?
include
adds the module's methods as instance methods, while extend
adds them as class methods.
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