[Solved] Which of the following best describes a closure in Ruby when used with define_method? — Ans: A block that remembers the context where it was defined | Ruby

Ruby - Advanced Metaprogramming

Which of the following best describes a closure in Ruby when used with define_method?

AA method that can only be called once

BA variable that changes its value automatically

CA block that remembers the context where it was defined

DA class that inherits from another class

Step-by-Step Solution

Solution:

Step 1: Define closure in Ruby context
A closure is a block or proc that keeps access to variables from the place where it was created, even if called later.
Step 2: Match closure with options
Only A block that remembers the context where it was defined correctly describes this behavior; others are unrelated.
Final Answer:
A block that remembers the context where it was defined -> Option C
Quick Check:
Closure = block with saved context [OK]

Quick Trick: Closure remembers variables where it was created [OK]

Common Mistakes:

Master "Advanced Metaprogramming" in Ruby

9 interactive learning modes - each teaches the same concept differently

More Ruby Quizzes

Which of the following best describes a closure in Ruby when used with define_method?