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Add DISABLE_VARIADIC_VECTOR and SFINAE for c++11 tuple element construction

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This commit is contained in:
Lee Clagett
2016-07-22 18:52:20 -04:00
parent 27321dd18e
commit 55150a7fa6
8 changed files with 257 additions and 2 deletions
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28
test/sequence/tuple_construction.cpp
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@ -13,9 +13,37 @@
#define FUSION_AT get
#include "construction.hpp"
// Bug in C++03 tuple? Cannot construct from a std::pair without including
// std::pair fusion adaption
#if !defined(BOOST_FUSION_HAS_VARIADIC_TUPLE)
# include <boost/fusion/adapted/std_pair.hpp>
#endif
struct test_conversion
{
test_conversion(int value) : value_(value) {}
int value_;
};
int
main()
{
test();
{
using namespace boost::fusion;
const tuple<int, test_conversion> instance(std::pair<int, int>(1, 9));
BOOST_TEST(boost::fusion::get<0>(instance) == 1);
BOOST_TEST(boost::fusion::get<1>(instance).value_ == 9);
}
{
using namespace boost::fusion;
const std::pair<int, int> init(16, 4);
const tuple<int, test_conversion> instance(init);
BOOST_TEST(boost::fusion::get<0>(instance) == 16);
BOOST_TEST(boost::fusion::get<1>(instance).value_ == 4);
}
return boost::report_errors();
}