[Solved] When using byebug, you get an error: uninitialized constant Byebug. What should you do to fix it? — Ans: Add require 'byebug' at the top of your Ruby file. | Ruby

Ruby - Ecosystem and Best Practices

When using byebug, you get an error: uninitialized constant Byebug. What should you do to fix it?

AAdd <code>require 'byebug'</code> at the top of your Ruby file.

BReplace byebug with binding.pry.

CRestart your computer.

DRemove the byebug line from your code.

Step-by-Step Solution

Solution:

Step 1: Understand the error meaning
"uninitialized constant Byebug" means Ruby does not know about the byebug library.
Step 2: Fix by requiring the gem
Add require 'byebug' to load the gem before using it.
Final Answer:
Add require 'byebug' at the top of your Ruby file. -> Option A
Quick Check:
Require byebug gem to fix uninitialized constant error [OK]

Quick Trick: Always require 'byebug' before using byebug [OK]

Common Mistakes:

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When using byebug, you get an error: uninitialized constant Byebug. What should you do to fix it?