[Solved] Identify the error in this Ruby Ractor code:r = Ractor.new do y = 10 end puts r.take + y — Ans: Variable y is undefined outside the Ractor | Ruby

Ruby - Concurrent Programming

Identify the error in this Ruby Ractor code:

r = Ractor.new do
  y = 10
end
puts r.take + y

ACannot call <code>take</code> on a Ractor

BRactor block must return a value explicitly

CVariable <code>y</code> is undefined outside the Ractor

DRactor cannot assign variables inside the block

Step-by-Step Solution

Solution:

Step 1: Check variable scope
Variable y is local to the Ractor block and not accessible outside.
Step 2: Analyze usage
Trying to use y outside causes a NameError.
Final Answer:
Variable y is undefined outside the Ractor -> Option C
Quick Check:
Ractor variables are isolated [OK]

Quick Trick: Variables inside Ractor block aren't accessible outside [OK]

Common Mistakes:

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