Which of the following is the correct syntax to define an included hook inside a Ruby module?

easy📝 Syntax Q12 of 15

Ruby - Advanced Metaprogramming

Which of the following is the correct syntax to define an included hook inside a Ruby module?

module Example
  # What goes here?
end

Adef self.included(base) puts "Included in #{base}" end

Bdef included(base) puts "Included in #{base}" end

Cdef included puts "Included" end

Ddef self.include(base) puts "Included in #{base}" end

Step-by-Step Solution

Solution:

Step 1: Recall how to define class methods in modules
The included hook must be a module method, so it needs to be defined with self.included.
Step 2: Check the method signature
The method receives the including class as a parameter, so it must accept one argument (base).
Final Answer:
def self.included(base) puts "Included in #{base}" end -> Option A
Quick Check:
included hook = def self.included(base) [OK]

Quick Trick: Use def self.included(base) for included hook syntax [OK]

Common Mistakes:

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