[Solved] Identify the error in this code snippet: my_proc = Proc.new { |x| x * 2 } puts my_proc.call — Ans: Missing argument when calling the Proc | Ruby

Ruby - Blocks, Procs, and Lambdas

Identify the error in this code snippet:

my_proc = Proc.new { |x| x * 2 }
puts my_proc.call

AProc.new syntax is incorrect

BMissing argument when calling the Proc

CCannot call Proc with call method

DBlock should not have parameters

Step-by-Step Solution

Solution:

Step 1: Analyze Proc definition and call for errors
The Proc expects one argument x to multiply by 2. The call is made without any argument, which causes an error because x is missing.
Final Answer:
Missing argument when calling the Proc -> Option B
Quick Check:
Proc needs argument when called [OK]

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

Common Mistakes:

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