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Home Interviews What is the difference between yield return and return? – MindStick
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1 Answers

ICSM Computer
ICSM Computer 22 Jun 2025
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Answer:

  • yield return: Returns elements one by one, creates state machine for deferred execution.
  • return: Ends execution and returns a value or nothing.
public IEnumerable<int> GetNumbers() {
    yield return 1;
    yield return 2;
    yield return 3;
}

Use yield when streaming data lazily or building custom iterators.

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