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Raw delete calls are one exception away from a leak. Here's how to choose between unique_ptr, shared_ptr, and weak_ptr — with working code, the cycle trap, and a sanitizer check.
Choosing and configuring smart pointers in C++: from unique ownership to arena pivots, with operational checks and failure-mode diagnostics.
When a C++ program crashes or corrupts data at random points, a dangling pointer or use‑after‑free is often the culprit. This guide walks through symptoms, root causes, systematic checks, and concrete fixes using smart pointers and ASan.
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