#include <cstdlib>
#include <iostream>
#include <boost/scope_exit.hpp>

int main(int argc, char* argv[]) {
	double var = 0.0;

	{
		BOOST_SCOPE_EXIT(&var, argc) {
			var = argc;
		} BOOST_SCOPE_EXIT_END

		var = 10.0;
	}

	std::cout << var << std::endl;

	return EXIT_SUCCESS;
}