Stabilize RAII file guard
Medium C++ arena: RAII, resource ownership, move semantics, and exception safety
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Missing prerequisites: cpp-easy-raii-file-guard
A parser leaks file handles when validation throws halfway through loading. You are working inside a C++ performance arena, and the arena only clears when the result is safe, deterministic, and explainable.
Learn to apply RAII, resource ownership, move semantics, and exception safety in a C++ performance arena while explaining the invariant, safety constraints, and hidden edge cases.
- Demonstrates RAII, resource ownership, move semantics, and exception safety
- Handles the visible sample and hidden edge cases
- Keeps output deterministic and explainable
- Avoids unsafe dynamic execution
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Genie Mentor Core
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