Tag: rvalue
3 posts
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Shallow vs Deep Copy and Move Semantics: How to Answer the C++ Interview Question
Answer the C++ copy vs move interview question: shallow vs deep copy, Rule of Three and Five, rvalue references, what std::move does, perfect forwarding.
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Lvalues, Rvalues, xvalues: C++ Value Categories and How They Drive Move Semantics
Learn C++ lvalues and rvalues: value categories, references, move semantics, and std::move—with examples for overload resolution and fewer unnecessary.
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C++ std::forward and Perfect Forwarding: How It Works and Where It Breaks
How std::forward preserves value category, why std::move in a template steals caller data, forwarding twice, and the arguments that cannot be forwarded.