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I am developing a new Rails app based on a similar existing one. In my old app, I have Coupon class, which is very similar to Ticket in my new app. I want to reuse all code in Coupon, but with a new class name.
Since refactoring is cumbersome in Rails, I wonder if there is a way to create alias for a class in Ruby (similar to alias for attributes and methods).
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A method in Ruby is a set of expressions that returns a value. With methods, one can organize their code into subroutines that can be easily invoked from other areas of their program. Other languages sometimes refer to this as a function. A method may be defined as a part of a class or separately.
The method definitions look similar, too: Module methods are defined just like class methods. As with class methods, you call a module method by preceding its name with the module's name and a period, and you reference a constant using the module name and two colons.
Classes don't have names in Ruby. They are just objects assigned to variables, just like any other object. If you want to refer to a class via a different variable, assign it to a different variable:
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