//********************************************************
// The following code example is taken from the book
//  C++17 - The Complete Guide
//  by Nicolai M. Josuttis (www.josuttis.com)
//  http://www.cppstd17.com
//
// The code is licensed under a
//  Creative Commons Attribution 4.0 International License
//  http://creativecommons.org/licenses/by/4.0/
//********************************************************


#include "invoke.hpp"
#include <iostream>
#include <vector>

void print(const std::vector<int>& coll)
{
  std::cout << "elems: ";
  for (const auto& elem : coll) {
    std::cout << elem << ' ';
  }
  std::cout << '\n';
}

int main()
{
  std::vector<int> vals{0, 8, 15, 42, 13, -1, 0};

  call([&vals] {
         std::cout << "size: " << vals.size() << '\n';
       });
  call(print, vals);

  call(&decltype(vals)::pop_back, vals);
  call(print, vals);

  call(&decltype(vals)::clear, vals);
  call(print, vals);
}