#include <aocpp/Startup.hpp>

#include <cstdlib>
#include <iostream>
#include <fstream>

namespace aocpp {

auto Startup(int argc, char ** argv) -> std::ifstream {
  if (argc != 2) {
    std::cerr << "Expected input file argument\n";
    exit(EXIT_FAILURE);
  }
  return std::ifstream{argv[1]};
}

}