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Make 'has_unique_keys' container independent.

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This commit is contained in:
Daniel James
2016-09-18 12:22:48 +01:00
parent b881bcfee3
commit 8fda9113b8
1 changed files with 5 additions and 15 deletions
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20
test/helpers/metafunctions.hpp
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@ -8,8 +8,6 @@
#include <boost/config.hpp> #include <boost/config.hpp>
#include <boost/type_traits/is_same.hpp> #include <boost/type_traits/is_same.hpp>
#include <boost/unordered_set.hpp>
#include <boost/unordered_map.hpp>
namespace test namespace test
{ {
@ -22,19 +20,11 @@ namespace test
template <class Container> template <class Container>
struct has_unique_keys struct has_unique_keys
{ {
BOOST_STATIC_CONSTANT(bool, value = false); static char flip(BOOST_DEDUCED_TYPENAME Container::iterator const&);
}; static long flip(std::pair<BOOST_DEDUCED_TYPENAME Container::iterator, bool> const&);
BOOST_STATIC_CONSTANT(bool, value = sizeof(long) == sizeof(
template <class V, class H, class P, class A> flip(((Container*) 0)->insert(*(BOOST_DEDUCED_TYPENAME Container::value_type*) 0))
struct has_unique_keys<boost::unordered_set<V, H, P, A> > ));
{
BOOST_STATIC_CONSTANT(bool, value = true);
};
template <class K, class M, class H, class P, class A>
struct has_unique_keys<boost::unordered_map<K, M, H, P, A> >
{
BOOST_STATIC_CONSTANT(bool, value = true);
}; };
} }