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