(C++) std::move_backward

 

std::move_backward is a C++11 STL algorithm to std::move elements from a container to another container. This copying is done in reverse, but the order is preserved.

 

• Download the Qt Creator project 'CppMove_backward' (zip)

 

 

 

 

 

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#include <algorithm> #include <cassert> #include <vector> int main() {   ///Create a std::vector to modify   std::vector<int> v = { 0,1,2,3,4,5,6,7,8,9 };   ///Create a std::vector to move   const std::vector<int> w = { 66,77,88 };   ///Move w to v, w's last element will be the 1-but-last in v   std::move_backward(w.begin(),w.end(),v.end() - 1);   assert(v == std::vector<int>( { 0,1,2,3,4,5,66,77,88,9 } )); }