Why does Ruby use prepend instead of just include to insert modules before a class in the method lookup chain?

hard📝 Conceptual Q10 of 15

Ruby - Modules and Mixins

Why does Ruby use prepend instead of just include to insert modules before a class in the method lookup chain?

ABecause include cannot add instance methods to a class.

BBecause prepend is faster than include.

CBecause prepend allows method overriding without modifying the original class.

DBecause include only works with singleton classes.

Step-by-Step Solution

Solution:

Step 1: Understand difference between prepend and include
Include adds module after class in lookup, prepend adds before, allowing override without changing class code.
Step 2: Recognize design purpose
Prepend is designed to let modules override methods cleanly, enabling flexible method chaining and extension.
Final Answer:
Because prepend allows method overriding without modifying the original class. -> Option C
Quick Check:
Prepend enables override without class changes [OK]

Quick Trick: Prepend overrides methods without changing original class [OK]

Common Mistakes:

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