Ruby - Modules and Mixins
How do you correctly add a module named
Utilities as a mixin to a Ruby class Toolbox?How do you correctly add a module named Utilities as a mixin to a Ruby class Toolbox?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the class
The class isToolbox, so we define it withclass Toolbox.Step 2: Include the module
To add instance methods fromUtilities, useinclude Utilitiesinside the class.Final Answer:
class Toolbox include Utilities end -> Option CQuick Check:
Including a module adds instance methods [OK]
Quick Trick: Use 'include' to add instance methods from a module [OK]
Common Mistakes:
- Using 'extend' instead of 'include' to add instance methods
- Defining the class as a module
- Using 'extend' when instance methods are needed
Master "Modules and Mixins" in Ruby
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