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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/detail/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);
}
}
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