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- /*=============================================================================
- Copyright (c) 2010 Christopher Schmidt
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- ==============================================================================*/
- #include <boost/core/lightweight_test.hpp>
- #include <boost/fusion/adapted/adt/adapt_assoc_adt.hpp>
- #include <boost/fusion/sequence.hpp>
- #include <boost/mpl/assert.hpp>
- #include <boost/type_traits/is_same.hpp>
- #include <iostream>
- #include <string>
- namespace fusion=boost::fusion;
- template<typename Name, typename Age>
- struct employee
- {
- private:
- Name name;
- Age age;
- public:
- template<typename OtherName>
- void
- set_name(OtherName const& n)
- {
- name=n;
- }
- template<typename OtherAge>
- void
- set_age(OtherAge const& a)
- {
- age=a;
- }
- Name& get_name()
- {
- return name;
- }
- Name const& get_name()const
- {
- return name;
- }
- Age& get_age()
- {
- return age;
- }
- Age const& get_age()const
- {
- return age;
- }
- };
- namespace keys
- {
- struct name;
- struct age;
- }
- BOOST_FUSION_ADAPT_ASSOC_TPL_ADT(
- (Name)(Age),
- (employee) (Name)(Age),
- (Name&, Name const&, obj.get_name(), obj.template set_name<Val>(val), keys::name)
- (Age&, Age const&, obj.get_age(), obj.template set_age<Val>(val), keys::age))
- int main()
- {
- typedef employee<std::string, int> et;
- typedef et const etc;
- et e;
- etc& ec=e;
- fusion::at_key<keys::name>(e)="marshall mathers";
- fusion::at_key<keys::age>(e)=37;
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::value_at_key<et, keys::name>::type,
- std::string
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::value_at_key<et, keys::name>::type,
- boost::fusion::result_of::value_at_c<et, 0>::type
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::value_at_key<et, keys::age>::type,
- int
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::value_at_key<et, keys::age>::type,
- boost::fusion::result_of::value_at_c<et, 1>::type
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::at_key<et, keys::name>::type,
- fusion::extension::adt_attribute_proxy<et, 0, false>
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::at_key<et, keys::age>::type,
- fusion::extension::adt_attribute_proxy<et, 1, false>
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::at_key<et, keys::name>::type,
- boost::fusion::result_of::front<et>::type
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::at_key<et, keys::age>::type,
- boost::fusion::result_of::back<et>::type
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::at_key<etc, keys::name>::type,
- fusion::extension::adt_attribute_proxy<et, 0, true>
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::at_key<etc, keys::age>::type,
- fusion::extension::adt_attribute_proxy<et, 1, true>
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::at_key<etc, keys::name>::type,
- boost::fusion::result_of::front<etc>::type
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- boost::fusion::result_of::at_key<etc, keys::age>::type,
- boost::fusion::result_of::back<etc>::type
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- fusion::extension::adt_attribute_proxy<et, 0, false>::type,
- std::string&
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- fusion::extension::adt_attribute_proxy<et, 0, true>::type,
- std::string const&
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- fusion::extension::adt_attribute_proxy<et, 1, false>::type,
- int&
- >));
- BOOST_MPL_ASSERT((
- boost::is_same<
- fusion::extension::adt_attribute_proxy<et, 1, true>::type,
- int const&
- >));
- {
- std::string& name=fusion::at_key<keys::name>(e);
- int& age=fusion::at_key<keys::age>(e);
- BOOST_TEST(name=="marshall mathers");
- BOOST_TEST(age==37);
- BOOST_TEST(fusion::at_key<keys::name>(e).get()=="marshall mathers");
- BOOST_TEST(fusion::at_key<keys::age>(e).get()==37);
- BOOST_TEST(fusion::front(e).get()=="marshall mathers");
- BOOST_TEST(fusion::back(e).get()==37);
- }
- {
- std::string const& name=fusion::at_key<keys::name>(ec);
- int const& age=fusion::at_key<keys::age>(ec);
- BOOST_TEST(name=="marshall mathers");
- BOOST_TEST(age==37);
- BOOST_TEST(fusion::at_key<keys::name>(ec).get()=="marshall mathers");
- BOOST_TEST(fusion::at_key<keys::age>(ec).get()==37);
- BOOST_TEST(fusion::front(ec).get()=="marshall mathers");
- BOOST_TEST(fusion::back(ec).get()==37);
- }
- return boost::report_errors();
- }
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