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[identity_view] Added boost::fusion::identity_view

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This commit is contained in:
denzor200
2022-09-26 11:35:55 +08:00
committed by djowel
parent c4e7f2bb1a
commit aca00012d1
4 changed files with 70 additions and 41 deletions
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test/sequence/identity_view.cpp
+5 -14
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@@ -8,7 +8,6 @@
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/container/map/map.hpp>
#include <boost/fusion/container/generation/make_map.hpp>
#include <boost/fusion/algorithm/auxiliary/copy.hpp>
#include <boost/fusion/adapted/mpl.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
@@ -77,16 +76,7 @@ main()
BOOST_TEST((*boost::fusion::advance_c<3>(boost::fusion::begin(xform)) == 8));
BOOST_TEST((boost::fusion::at_c<2>(xform) == 7));
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_c<xform_type, 0>::type, boost::mpl::integral_c<int, 5> >));
}
{
typedef vector<int, int, int, int, int> sequence_type;
sequence_type seq;
identity_view<sequence_type> ident(seq);
copy(make_vector(1, 2, 3, 4, 5), ident);
std::cout << seq << std::endl;
BOOST_TEST((seq == make_vector(1, 2, 3, 4, 5)));
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_c<xform_type, 0>::type, boost::mpl::integral_c<int, 5>&& >));
}
/// Associative
@@ -153,9 +143,10 @@ main()
typedef boost::fusion::result_of::next<first>::type second;
typedef boost::fusion::result_of::next<second>::type third;
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<first>::type, boost::fusion::pair<int, char> >));
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<second>::type, boost::fusion::pair<double, std::string> >));
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<third>::type, boost::fusion::pair<abstract, int> >));
// TODO: why is a boost::fusion::pair<int, char>&& ??
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<first>::type, boost::fusion::pair<int, char>&& >));
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<second>::type, boost::fusion::pair<double, std::string>&& >));
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<third>::type, boost::fusion::pair<abstract, int>&& >));
}
{