Ever wonder if a module is included?
Have you ever wondered if a certain module is included in your class, or if you are inheriting from something far up the chain. Well thats easy you can use the <
, <=
, >
, >=
operators.
Array < Enumerable
=> true
String < Integer
=> false
# okay now inheritance
User < ActiveRecord::Base
=> true
Class < Module
=> true
Written by Jason Waldrip
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