[Solved] Identify the error in this Ruby method: def show yield if block_given end show { puts "Hello!" } — Ans: Missing question mark in block_given method call | Ruby

Ruby - Blocks, Procs, and Lambdas

Identify the error in this Ruby method:

def show
  yield if block_given
end

show { puts "Hello!" }

AMissing question mark in block_given method call

Byield cannot be used without arguments

CMethod show requires a parameter

DBlock cannot be passed to show method

Step-by-Step Solution

Solution:

Step 1: Check block_given usage
The method block_given? requires the question mark and should be called as block_given? or block_given?(). Here it is missing the question mark.
Step 2: Confirm yield usage
The yield is correctly used and does not require arguments here. The method does not require parameters to accept a block.
Final Answer:
Missing question mark in block_given method call -> Option A
Quick Check:
block_given? needs question mark [OK]

Quick Trick: Always use block_given? with question mark [OK]

Common Mistakes:

Master "Blocks, Procs, and Lambdas" in Ruby

9 interactive learning modes - each teaches the same concept differently

More Ruby Quizzes

Identify the error in this Ruby method: