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0xGhost · 0xghost.dev · English

Systems engineering, C++, and compilers.

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Jan 8, 2026

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0xGhost // System Root

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1. Template Parameter Deduction: Eliminating Hidden Copies in Generic Code
   Jan 8, 2026 · original
   Learn how template parameter deduction and perfect forwarding eliminate hidden copies in generic C++ code. This deep dive covers forwarding references, reference collapsing, variadic templates, CTAD, and the mechanics of std::forward—with practical examples showing exactly when to use T&&, decltype(auto), and std::decay_t. Includes debugging techniques, common anti-patterns, and a complete decision tree for zero-overhead generic code.
2. std::move doesn't move anything: A deep dive into Value Categories
   Dec 9, 2025 · original
   Why std::move is just a cast, how it kills RVO if used wrong, and the mechanics of ownership transfer.

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