What is wrong with copy (which is a generic function), here? I cannot run the code.
vector<int> a(10, 2);
vector<int> b(a.size());
auto ret = copy(a.begin(), a.end(), b);
for (auto i : b) cout << i << endl;
Here's the output after compiling:
1>------ Build started: Project: Project1, Configuration: Debug Win32 ------
1> MainEx.cpp
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\xutility(2176): error C4996: 'std::_Copy_impl': Function call with parameters that may be unsafe - this call relies on the caller to check that the passed values are correct. To disable this warning, use -D_SCL_SECURE_NO_WARNINGS. See documentation on how to use Visual C++ 'Checked Iterators'
1> c:\program files (x86)\microsoft visual studio 11.0\vc\include\xutility(2157) : see declaration of 'std::_Copy_impl'
1> c:\users\amin\documents\visual studio 2012\projects\project1\project1\mainex.cpp(40) : see reference to function template instantiation '_OutIt std::copy<std::_Vector_iterator<_Myvec>,std::vector<_Ty>>(_InIt,_InIt,_OutIt)' being compiled
1> with
1> [
1> _OutIt=std::vector<int>,
1> _Myvec=std::_Vector_val<std::_Simple_types<int>>,
1> _Ty=int,
1> _InIt=std::_Vector_iterator<std::_Vector_val<std::_Simple_types<int>>>
1> ]
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========