[Solved] What is the main effect of using prepend with a module in Ruby? — Ans: It inserts the module methods before the class methods in the method lookup... | Ruby

Ruby - Modules and Mixins

What is the main effect of using prepend with a module in Ruby?

AIt replaces the class methods with the module methods permanently.

BIt appends the module methods after the class methods in the method lookup chain.

CIt inserts the module methods before the class methods in the method lookup chain.

DIt creates a copy of the module methods inside the class.

Step-by-Step Solution

Solution:

Step 1: Understand method lookup order with prepend
Using prepend inserts the module before the class in the method lookup chain, so module methods override class methods.
Step 2: Compare prepend with include
Unlike include, which inserts the module after the class, prepend places it before, changing method resolution order.
Final Answer:
It inserts the module methods before the class methods in the method lookup chain. -> Option C
Quick Check:
Prepend effect = Insert module methods before class methods [OK]

Quick Trick: Prepend puts module methods before class methods in lookup [OK]

Common Mistakes:

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