That was pre-c++11. Now using C++11, it is much simpler (using 'auto'). And the C++17 version is even simpler https://code.woboq.org/qt5/qtbase/src/corelib/glo

That was pre-c++11. Now using C++11, it is much simpler (using 'auto'). And the C++17 version is even simpler https://code.woboq.org/qt5/qtbase/src/corelib/global/qglobal.h.html#1085-1107 https://code.woboq.org/qt5/qtbase/src/corelib/global/qglobal...