File: hello_world.cc

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/* Copyright 2003 - 2016, The libsigc++ Development Team
 *
 *  Assigned to the public domain.  Use as you wish without
 *  restriction.
 */

#include <iostream>
#include <string>

#include <sigc++/sigc++.h>

void
on_print(const std::string& str)
{
  std::cout << str;
}

int
main()
{
  sigc::signal<void(const std::string&)> signal_print;

  signal_print.connect(sigc::ptr_fun(&on_print));

  signal_print.emit("hello world\n");

  return 0;
}