//********************************************************
// The following code example is taken from the book
//  C++ Move Semantics - The Complete Guide
//  by Nicolai M. Josuttis (www.josuttis.com)
//  http://www.cppmove.com
//
// The code is licensed under a
//  Creative Commons Attribution 4.0 International License
//  http://creativecommons.org/licenses/by/4.0/
//********************************************************


#include <utility>  // for forward<>()

template <typename Func, typename... Args>
decltype(auto) call (Func f, Args&&... args)
{
  //...
  return f(std::forward<Args>(args)...);
}