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c++ Programming Glossary: elisionWhat's the motivation behind having copy and direct initialization behave differently? http://stackoverflow.com/questions/11223285/whats-the-motivation-behind-having-copy-and-direct-initialization-behave-differ the direct initializer syntax. I think the possible copy elision was only added in later versions of the standard but I am not..
c++ why initializer_list behavior for std::vector and std::array are different http://stackoverflow.com/questions/11400090/c-why-initializer-list-behavior-for-stdvector-and-stdarray-are-different is when the old style is used . This rule allowing brace elision does not apply for direct list initialization. A footnote here.. defect #1270 . If the proposed resolution is adopted brace elision will be allowed for other forms of list initialization and the..
What are copy elision and return value optimization? http://stackoverflow.com/questions/12953127/what-are-copy-elision-and-return-value-optimization are copy elision and return value optimization What is copy elision What is.. copy elision and return value optimization What is copy elision What is named return value optimization What do they imply In.. . c optimization c faq return value optimization copy elision share improve this question Introduction For a technical..
When should std::move be used on a function return value? http://stackoverflow.com/questions/14856344/when-should-stdmove-be-used-on-a-function-return-value is superfluous because of 12.8 32 When the criteria for elision of a copy operation are met or would be met save for the fact.. by an rvalue. return foo is a case of NRVO so copy elision is permitted. foo is an lvalue. So the constructor selected.. moved and it is an lvalue and it is not eligible for copy elision and it is not the name of a by value function parameter. Considering..
What is copy elision and how does it optimize the copy-and-swap idiom? http://stackoverflow.com/questions/2143787/what-is-copy-elision-and-how-does-it-optimize-the-copy-and-swap-idiom is copy elision and how does it optimize the copy and swap idiom I was reading.. where the parameter is accepted as const reference copy elision does not happen when the reference binds to a rvalue. This results.. created and destroyed. c optimization copy and swap copy elision share improve this question The copy constructor exists..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom overload in C is a common function possible What is copy elision and how it optimizes copy and swap idiom C dynamically allocating..
Is returning with `std::move` sensible in the case of multiple return statements? http://stackoverflow.com/questions/9532608/is-returning-with-stdmove-sensible-in-the-case-of-multiple-return-statements automatically §12.8 class.copy p32 When the criteria for elision of a copy operation are met or would be met save for the fact.. resolution must be performed regardless of whether copy elision will occur. It determines the constructor to be called if elision.. will occur. It determines the constructor to be called if elision is not performed and the selected constructor must be accessible..
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