Q. Which trait must be implemented to allow a struct to be printed using println! with {:?}?

  • (A) Display
  • (B) Debug
  • (C) Clone
  • (D) Copy
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✅ Correct Answer: (B) Debug
Explanation: The {:?} formatter requires the Debug trait to be implemented for the type.

Published by Admin ⭐ 38.37K Points at 26-Sep-2025 07:58 pm in Rust

Explanation by: Admin
The {:?} formatter requires the Debug trait to be implemented for the type.

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