| // PR c++/57016 |
| // { dg-require-effective-target c++11 } |
| |
| template < typename _Tp, _Tp __v > struct integral_constant |
| { |
| static constexpr _Tp value = __v; |
| }; |
| template < bool, typename, typename > struct conditional; |
| template < typename ... >struct __and_; |
| template |
| < |
| typename |
| _B1, |
| typename |
| _B2 > struct __and_ <_B1, _B2 >:conditional < _B1::value, _B2, _B1 >::type |
| {}; |
| template < typename _Pp > struct __not_:integral_constant < bool, _Pp::value > |
| {}; |
| template < typename > struct add_rvalue_reference; |
| template |
| < typename _Tp > typename add_rvalue_reference < _Tp >::type declval (); |
| template < bool, typename _Iftrue, typename > struct conditional |
| { |
| typedef _Iftrue type; |
| }; |
| template < class, class > struct pair; |
| template < typename > class allocator; |
| template < typename, typename, typename > struct binary_function; |
| template < typename _Tp > struct equal_to:binary_function < _Tp, _Tp, bool > |
| {}; |
| template < typename > struct hash; |
| template < >struct hash <int > |
| {}; |
| template |
| < |
| typename, |
| typename, |
| typename, |
| typename, typename, typename, typename, typename > struct _Hashtable_base; |
| template |
| < |
| typename, |
| typename |
| > struct __is_noexcept_hash:integral_constant < bool, noexcept ((declval)) > |
| {} |
| ; |
| struct _Identity; |
| template < bool, bool _Constant_iterators, bool > struct _Hashtable_traits |
| ; |
| struct _Mod_range_hashing; |
| struct _Default_ranged_hash; |
| struct _Prime_rehash_policy; |
| template |
| < |
| typename |
| _Tp, |
| typename |
| _Hash |
| > |
| using |
| __cache_default |
| = |
| __not_ |
| < |
| __and_ |
| < |
| integral_constant |
| < bool, __is_final (_Hash) >, __is_noexcept_hash < _Tp, _Hash > >>; |
| template < typename _Key, typename _Value, typename, typename _ExtractKey, typename _Equal, typename _H1, typename _H2, typename, typename _RehashPolicy, typename _Traits > class _Hashtable: |
| _Hashtable_base |
| < _Key, _Value, _ExtractKey, _Equal, _H1, _H2, _RehashPolicy, _Traits > |
| {} |
| ; |
| template |
| < |
| bool |
| _Cache > using __uset_traits = _Hashtable_traits < _Cache, true, true >; |
| template |
| < |
| typename |
| _Value, |
| typename |
| _Hash |
| = |
| hash |
| < |
| _Value |
| >, |
| typename |
| _Pred |
| = |
| equal_to |
| < |
| _Value |
| >, |
| typename |
| _Alloc |
| = |
| allocator |
| < |
| _Value |
| >, |
| typename |
| _Tr |
| = |
| __uset_traits |
| < |
| __cache_default |
| < |
| _Value, |
| _Hash |
| >::value |
| > |
| > |
| using |
| __uset_hashtable |
| = |
| _Hashtable |
| < |
| _Value, |
| _Value, |
| _Alloc, |
| _Identity, |
| _Pred, |
| _Hash, |
| _Mod_range_hashing, _Default_ranged_hash, _Prime_rehash_policy, _Tr >; |
| template < class _Value, class = hash < _Value > >class unordered_set |
| { |
| typedef __uset_hashtable < _Value > iterator; |
| template < typename > pair < iterator, bool > emplace (); |
| } |
| ; |
| template class unordered_set < int >; |
