C++ copy-elision of return-values.
I don't understand when I should use std::move and when I should let the compiler optimize... for example: using …
c++ c++11 move return-value-optimization rvoWhat is copy elision? What is (named) return value optimization? What do they imply? In what situations can they occur? …
c++ optimization c++-faq return-value-optimization copy-elisionShort version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now …
c++ c++11 coding-style return-value-optimizationI want to fill std::vector (or some other STL container): class Foo { public: Foo(int _n, const Bar &_…
c++ stl c++11 move-semantics return-value-optimizationLets say we have the following code: std::vector<int> f() { std::vector<int> y; ... return …
c++ optimization c++11 move-semantics return-value-optimizationReferences in C++ are baffling me. :) The basic idea is that I'm trying to return an object from a function. …
c++ reference return-value-optimization return-by-referenceWhat flag(s) do I need on the command line to disable the return-value optimisation automatically enabled by the g++ …
c++ optimization compiler-construction g++ return-value-optimizationI've go a very simple question, but unfortunately I can't figure the answer myself. Suppose I've got some data structure …
c++ reference return-value return-value-optimizationThis code: #include <vector> std::vector<float> getstdvec() { std::vector<float> v(4); v[0] = 1; v[1] = 2; …
c++ return-value-optimization copy-elision