Complete Modern C++ - Copy elision and how it eliminates extra copies of temporary objects

Complete Modern C++ - Copy elision and how it eliminates extra copies of temporary objects

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Information Technology (IT), Architecture

University

Hard

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The lecture explains the concept of copy elision, a compiler optimization technique that eliminates temporary objects. It is not part of the C++ standard but is widely implemented by compilers. The instructor demonstrates copy elision using code examples, highlighting how compilers like GCC and Visual Studio handle it. The lecture covers practical implementation, compiler behavior, and advanced concepts like named return value optimization (NRVO) and return value optimization (RVO). The importance of copy and move constructors for copy elision is also discussed.

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OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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