What are modules in Ruby?
Modules in Ruby are collections of methods and constants that can be included in classes to share functionality.
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.
Can you give me an example of a module?
Sure! Here's a simple module:
module Greeting
def hello
puts 'Hello!'
end
end
How do I use this module in a class?
You can use it like this:
class Person
include Greeting
end
person = Person.new
person.hello # Outputs 'Hello!'
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