id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
7821	Cannot user tuple in unordered_set	ilja.honkonen@…	Daniel James	"Compiling this program:

#include ""boost/tuple/tuple.hpp""
#include ""boost/unordered_set.hpp""

int main()
{
	boost::unordered_set<boost::tuple::tuple<char> > tuples;

	return 0;
}

using g++ (GCC) 4.8.0 20121216 (experimental) and boost 1.52.0 fails with this error:

In file included from /usr/include/boost/unordered/detail/table.hpp:10:0,
                 from /usr/include/boost/unordered/detail/equivalent.hpp:14,
                 from /usr/include/boost/unordered/unordered_set.hpp:17,
                 from /usr/include/boost/unordered_set.hpp:16,
                 from boost_tuple_hash.cpp:2:
/usr/include/boost/unordered/detail/buckets.hpp: Jäsenfunktio ”void boost::unordered::detail::node_constructor<NodeAlloc>::construct_with_value(const Args&)”:
/usr/include/boost/unordered/detail/buckets.hpp:338:13: virhe: ”construct_value_impl” is not a member of ”boost::unordered::detail”
             boost::unordered::detail::construct_value_impl(
             ^
/usr/include/boost/unordered/detail/buckets.hpp: Jäsenfunktio ”void boost::unordered::detail::node_constructor<NodeAlloc>::construct_with_value2(const A0&)”:
/usr/include/boost/unordered/detail/buckets.hpp:347:13: virhe: ”construct_value_impl” is not a member of ”boost::unordered::detail”
             boost::unordered::detail::construct_value_impl(
             ^
/usr/include/boost/unordered/detail/buckets.hpp: In destructor ”boost::unordered::detail::node_constructor<NodeAlloc>::~node_constructor()”:
/usr/include/boost/unordered/detail/buckets.hpp:377:17: virhe: ”destroy_value_impl” is not a member of ”boost::unordered::detail”
                 boost::unordered::detail::destroy_value_impl(alloc_,
                 ^
/usr/include/boost/unordered/detail/buckets.hpp: Jäsenfunktio ”void boost::unordered::detail::node_constructor<NodeAlloc>::construct()”:
/usr/include/boost/unordered/detail/buckets.hpp:409:17: virhe: ”destroy_value_impl” is not a member of ”boost::unordered::detail”
                 boost::unordered::detail::destroy_value_impl(alloc_,
                 ^
/usr/include/boost/unordered/detail/buckets.hpp: In destructor ”boost::unordered::detail::node_holder<NodeAlloc>::~node_holder()”:
/usr/include/boost/unordered/detail/buckets.hpp:526:13: virhe: ”destroy_value_impl” is not a member of ”boost::unordered::detail”
             boost::unordered::detail::destroy_value_impl(this->alloc_,
             ^
/usr/include/boost/unordered/detail/buckets.hpp: At global scope:
/usr/include/boost/unordered/detail/buckets.hpp:775:12: virhe: ”struct boost::unordered::detail::please_ignore_this_overload” uudelleenmääritelty
     struct please_ignore_this_overload {
            ^
In file included from /usr/include/boost/unordered/detail/buckets.hpp:15:0,
                 from /usr/include/boost/unordered/detail/table.hpp:10,
                 from /usr/include/boost/unordered/detail/equivalent.hpp:14,
                 from /usr/include/boost/unordered/unordered_set.hpp:17,
                 from /usr/include/boost/unordered_set.hpp:16,
                 from boost_tuple_hash.cpp:2:
/usr/include/boost/unordered/detail/allocate.hpp:177:12: virhe: previous definition of ”struct boost::unordered::detail::please_ignore_this_overload”
     struct please_ignore_this_overload {
            ^
In file included from /usr/include/boost/unordered/detail/table.hpp:10:0,
                 from /usr/include/boost/unordered/detail/equivalent.hpp:14,
                 from /usr/include/boost/unordered/unordered_set.hpp:17,
                 from /usr/include/boost/unordered_set.hpp:16,
                 from boost_tuple_hash.cpp:2:
/usr/include/boost/unordered/detail/buckets.hpp:780:12: virhe: ”struct boost::unordered::detail::rv_ref_impl<T>” uudelleenmääritelty
     struct rv_ref_impl {
            ^
In file included from /usr/include/boost/unordered/detail/buckets.hpp:15:0,
                 from /usr/include/boost/unordered/detail/table.hpp:10,
                 from /usr/include/boost/unordered/detail/equivalent.hpp:14,
                 from /usr/include/boost/unordered/unordered_set.hpp:17,
                 from /usr/include/boost/unordered_set.hpp:16,
                 from boost_tuple_hash.cpp:2:
/usr/include/boost/unordered/detail/allocate.hpp:182:12: virhe: previous definition of ”struct boost::unordered::detail::rv_ref_impl<T>”
     struct rv_ref_impl {
            ^
In file included from /usr/include/boost/unordered/detail/table.hpp:10:0,
                 from /usr/include/boost/unordered/detail/equivalent.hpp:14,
                 from /usr/include/boost/unordered/unordered_set.hpp:17,
                 from /usr/include/boost/unordered_set.hpp:16,
                 from boost_tuple_hash.cpp:2:
/usr/include/boost/unordered/detail/buckets.hpp:785:12: virhe: ”struct boost::unordered::detail::rv_ref<T>” uudelleenmääritelty
     struct rv_ref :
            ^
In file included from /usr/include/boost/unordered/detail/buckets.hpp:15:0,
                 from /usr/include/boost/unordered/detail/table.hpp:10,
                 from /usr/include/boost/unordered/detail/equivalent.hpp:14,
                 from /usr/include/boost/unordered/unordered_set.hpp:17,
                 from /usr/include/boost/unordered_set.hpp:16,
                 from boost_tuple_hash.cpp:2:
/usr/include/boost/unordered/detail/allocate.hpp:187:12: virhe: previous definition of ”struct boost::unordered::detail::rv_ref<T>”
     struct rv_ref :
            ^
In file included from /usr/include/boost/unordered/detail/equivalent.hpp:14:0,
                 from /usr/include/boost/unordered/unordered_set.hpp:17,
                 from /usr/include/boost/unordered_set.hpp:16,
                 from boost_tuple_hash.cpp:2:
/usr/include/boost/unordered/detail/table.hpp: Jäsenfunktio ”void boost::unordered::detail::table<Types>::delete_node(boost::unordered::detail::table<Types>::c_iterator)”:
/usr/include/boost/unordered/detail/table.hpp:505:13: virhe: ”destroy_value_impl” is not a member of ”boost::unordered::detail”
             boost::unordered::detail::destroy_value_impl(node_alloc(),
             ^
boost_tuple_hash.cpp: Funktio ”int main()”:
boost_tuple_hash.cpp:6:49: virhe: template argument 1 is invalid
  boost::unordered_set<boost::tuple::tuple<char> > tuples;
                                                 ^
boost_tuple_hash.cpp:6:49: virhe: template argument 2 is invalid
boost_tuple_hash.cpp:6:49: virhe: template argument 3 is invalid
boost_tuple_hash.cpp:6:49: virhe: template argument 4 is invalid
boost_tuple_hash.cpp:6:57: virhe: invalid type in declaration before ”;” token
  boost::unordered_set<boost::tuple::tuple<char> > tuples;
                                                         ^
boost_tuple_hash.cpp:6:51: varoitus: käyttämätön muuttuja ”tuples” [-Wunused-variable]
  boost::unordered_set<boost::tuple::tuple<char> > tuples;
                                                   ^"	Bugs	new	To Be Determined	unordered	Boost 1.52.0	Problem