Modern C++ Protocol

Write memory-safe, high-speed C++ software.

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1. RAII & Smart Pointers

1. Manage resource lifecycles with RAII.
2. Prefer std::unique_ptr for exclusive ownership and std::shared_ptr only when shared ownership is mandatory. Avoid raw new and delete.

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2. Move Semantics & Concepts

Use std::move to avoid expensive deep copies. Constrain templates with C++20 concepts for clear compiler diagnostics.