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// Copyright (C) 2006-2009, 2012 Alexander Nasonov
// Copyright (C) 2012 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0
// (see accompanying file LICENSE_1_0.txt or a copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Home at http://www.boost.org/libs/scope_exit
#include <boost/scope_exit.hpp>
#include <boost/typeof/typeof.hpp>
#include <boost/typeof/std/vector.hpp>
#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
#include <boost/detail/lightweight_test.hpp>
#include <vector>
struct person {};
BOOST_TYPEOF_REGISTER_TYPE(person)
struct world_t;
BOOST_TYPEOF_REGISTER_TYPE(world_t)
//[world_void
struct world_t {
std::vector<person> persons;
bool commit;
} world; // Global variable.
void add_person(person const& a_person) {
world.commit = false;
world.persons.push_back(a_person);
BOOST_SCOPE_EXIT(void) { // No captures.
if(!world.commit) world.persons.pop_back();
} BOOST_SCOPE_EXIT_END
// ...
world.commit = true;
}
//]
int main(void) {
person p;
add_person(p);
BOOST_TEST(world.persons.size() == 1);
return boost::report_errors();
}
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