[Solved] Identify the error in this code:my_proc = proc { |x| x * 3 } my_proc.call — Ans: Missing argument for the Proc call | Ruby

Ruby - Blocks, Procs, and Lambdas

Identify the error in this code:

my_proc = proc { |x| x * 3 }
my_proc.call

AProc cannot multiply numbers

BProc syntax is incorrect

CNo error, code runs fine

DMissing argument for the Proc call

Step-by-Step Solution

Solution:

Step 1: Check Proc definition and call
The Proc expects one argument, but call is used without any.
Step 2: Identify the error type
Calling a Proc without required arguments causes an argument error.
Final Answer:
Missing argument for the Proc call -> Option D
Quick Check:
Proc call argument error = Missing argument [OK]

Quick Trick: Always pass required arguments when calling a Proc [OK]

Common Mistakes:

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