// unordered_set standard header
#pragma once
#ifndef _UNORDERED_SET_
#define _UNORDERED_SET_
#ifndef RC_INVOKED
#include <xhash>

 #pragma pack(push,_CRT_PACKING)
 #pragma warning(push,3)

_STD_BEGIN
	namespace tr1 {	// TR1 additions

		// TEMPLATE CLASS _Uset_traits
template<class _Kty,	// key type (same as value type)
	class _Tr,	// comparator predicate type
	class _Alloc,	// actual allocator type (should be value allocator)
	bool _Mfl>	// true if multiple equivalent keys are permitted
	class _Uset_traits
		: public _Container_base
	{	// traits required to make _Hash behave like a set
public:
	typedef _Kty key_type;
	typedef _Kty value_type;
	typedef _Tr key_compare;

	typedef typename _Alloc::template rebind<value_type>::other
		allocator_type;

	typedef typename allocator_type::const_pointer _ITptr;
	typedef typename allocator_type::const_reference _IReft;

	enum
		{	// make multi parameter visible as an enum constant
		_Multi = _Mfl};

	_Uset_traits()
		: comp()
		{	// construct with default comparator
		}

	_Uset_traits(const _Tr& _Traits)
		: comp(_Traits)
		{	// construct with specified comparator
		}

	typedef key_compare value_compare;

	static const _Kty& _Kfn(const value_type& _Val)
		{	// return entire value as key
		return (_Val);
		}

	_Tr comp;	// the comparator predicate for keys
	};

		// TEMPLATE CLASS unordered_set
template<class _Kty,
	class _Hasher = std::tr1::hash<_Kty>,
	class _Keyeq = std::equal_to<_Kty>,
	class _Alloc = std::allocator<_Kty> >
	class unordered_set
		: public stdext::_Hash<_Uset_traits<_Kty,
			stdext::_Hash_compare<_Kty, _Hasher, _Keyeq>, _Alloc, false> >
	{	// hash table of key values, unique keys
public:
	typedef stdext::_Hash_compare<_Kty, _Hasher, _Keyeq> _Mytraits;
	typedef stdext::_Hash<_Uset_traits<_Kty,
		_Mytraits, _Alloc, false> > _Mybase;
	typedef _Hasher hasher;
	typedef _Kty key_type;
	typedef _Keyeq key_equal;
	typedef _Mytraits key_compare;	// extra

//	typedef typename _Mybase::value_compare value_compare;
	typedef typename _Mybase::allocator_type allocator_type;
	typedef typename _Mybase::size_type size_type;
	typedef typename _Mybase::difference_type difference_type;
	typedef typename _Mybase::pointer pointer;
	typedef typename _Mybase::const_pointer const_pointer;
	typedef typename _Mybase::reference reference;
	typedef typename _Mybase::const_reference const_reference;
	typedef typename _Mybase::iterator iterator;
	typedef typename _Mybase::const_iterator const_iterator;
//	typedef typename _Mybase::reverse_iterator reverse_iterator;
//	typedef typename _Mybase::const_reverse_iterator
//		const_reverse_iterator;
	typedef typename _Mybase::value_type value_type;

	typedef typename _Mybase::iterator local_iterator;
	typedef typename _Mybase::const_iterator const_local_iterator;

	unordered_set()
		: _Mybase(key_compare(), allocator_type())
		{	// construct empty set from defaults
		}

	explicit unordered_set(size_type _Buckets)
		: _Mybase(key_compare(), allocator_type())
		{	// construct empty set from defaults, ignore initial size
		this->rehash(_Buckets);
		}

	unordered_set(size_type _Buckets, const hasher& _Hasharg)
		: _Mybase(key_compare(_Hasharg), allocator_type())
		{	// construct empty set from hasher
		this->rehash(_Buckets);
		}

	unordered_set(size_type _Buckets, const hasher& _Hasharg,
		const _Keyeq& _Keyeqarg)
		: _Mybase(key_compare(_Hasharg, _Keyeqarg), allocator_type())
		{	// construct empty set from hasher and equality comparator
		this->rehash(_Buckets);
		}

	unordered_set(size_type _Buckets, const hasher& _Hasharg,
		const _Keyeq& _Keyeqarg, const allocator_type& _Al)
		: _Mybase(key_compare(_Hasharg, _Keyeqarg), _Al)
		{	// construct empty set from hasher and equality comparator
		this->rehash(_Buckets);
		}

	template<class _Iter>
		unordered_set(_Iter _First, _Iter _Last)
		: _Mybase(key_compare(), allocator_type())
		{	// construct set from sequence, defaults
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	template<class _Iter>
		unordered_set(_Iter _First, _Iter _Last,
			size_type _Buckets)
		: _Mybase(key_compare(), allocator_type())
		{	// construct set from sequence, ignore initial size
		this->rehash(_Buckets);
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	template<class _Iter>
		unordered_set(_Iter _First, _Iter _Last,
			size_type _Buckets, const hasher& _Hasharg)
		: _Mybase(key_compare(_Hasharg), allocator_type())
		{	// construct set from sequence, comparator
		this->rehash(_Buckets);
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	template<class _Iter>
		unordered_set(_Iter _First, _Iter _Last,
			size_type _Buckets, const hasher& _Hasharg,
			const _Keyeq& _Keyeqarg)
		: _Mybase(key_compare(_Hasharg, _Keyeqarg), allocator_type())
		{	// construct set from sequence, comparator, and allocator
		this->rehash(_Buckets);
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	template<class _Iter>
		unordered_set(_Iter _First, _Iter _Last,
			size_type _Buckets, const hasher& _Hasharg,
			const _Keyeq& _Keyeqarg, const allocator_type& _Al)
		: _Mybase(key_compare(_Hasharg, _Keyeqarg), _Al)
		{	// construct set from sequence, comparator, and allocator
		this->rehash(_Buckets);
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	hasher hash_function() const
		{	// return hasher object
		return (this->comp._Hashobj);
		}

	key_equal key_eq() const
		{	// return equality comparator object
		return (this->comp._Keyeqobj);
		}
	};

template<class _Kty,
	class _Hasher,
	class _Keyeq,
	class _Alloc>
	void swap(unordered_set<_Kty, _Hasher, _Keyeq, _Alloc>& _Left,
		unordered_set<_Kty, _Hasher, _Keyeq, _Alloc>& _Right)
	{	// swap _Left and _Right unordered_sets
	_Left.swap(_Right);
	}

		// TEMPLATE CLASS unordered_multiset
template<class _Kty,
	class _Hasher = std::tr1::hash<_Kty>,
	class _Keyeq = std::equal_to<_Kty>,
	class _Alloc = std::allocator<_Kty> >
	class unordered_multiset
		: public stdext::_Hash<_Uset_traits<_Kty,
			stdext::_Hash_compare<_Kty, _Hasher, _Keyeq>, _Alloc, true> >
	{	// hash table of key values, non-unique keys
public:
	typedef stdext::_Hash_compare<_Kty, _Hasher, _Keyeq> _Mytraits;
	typedef stdext::_Hash<_Uset_traits<_Kty,
		_Mytraits, _Alloc, true> > _Mybase;
	typedef _Hasher hasher;
	typedef _Kty key_type;
	typedef _Keyeq key_equal;
	typedef _Mytraits key_compare;	// extra

//	typedef typename _Mybase::value_compare value_compare;
	typedef typename _Mybase::allocator_type allocator_type;
	typedef typename _Mybase::size_type size_type;
	typedef typename _Mybase::difference_type difference_type;
	typedef typename _Mybase::pointer pointer;
	typedef typename _Mybase::const_pointer const_pointer;
	typedef typename _Mybase::reference reference;
	typedef typename _Mybase::const_reference const_reference;
	typedef typename _Mybase::iterator iterator;
	typedef typename _Mybase::const_iterator const_iterator;
//	typedef typename _Mybase::reverse_iterator reverse_iterator;
//	typedef typename _Mybase::const_reverse_iterator
//		const_reverse_iterator;
	typedef typename _Mybase::value_type value_type;

	unordered_multiset()
		: _Mybase(key_compare(), allocator_type())
		{	// construct empty set from defaults
		}

	explicit unordered_multiset(size_type _Buckets)
		: _Mybase(key_compare(), allocator_type())
		{	// construct empty set from defaults, ignore initial size
		this->rehash(_Buckets);
		}

	unordered_multiset(size_type _Buckets, const hasher& _Hasharg)
		: _Mybase(key_compare(_Hasharg), allocator_type())
		{	// construct empty set from hasher
		this->rehash(_Buckets);
		}

	unordered_multiset(size_type _Buckets, const hasher& _Hasharg,
		const _Keyeq& _Keyeqarg)
		: _Mybase(key_compare(_Hasharg, _Keyeqarg), allocator_type())
		{	// construct empty set from hasher and equality comparator
		this->rehash(_Buckets);
		}

	unordered_multiset(size_type _Buckets, const hasher& _Hasharg,
		const _Keyeq& _Keyeqarg, const allocator_type& _Al)
		: _Mybase(key_compare(_Hasharg, _Keyeqarg), _Al)
		{	// construct empty set from hasher and equality comparator
		this->rehash(_Buckets);
		}

	template<class _Iter>
		unordered_multiset(_Iter _First, _Iter _Last)
		: _Mybase(key_compare(), allocator_type())
		{	// construct set from sequence, defaults
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	template<class _Iter>
		unordered_multiset(_Iter _First, _Iter _Last,
			size_type _Buckets)
		: _Mybase(key_compare(), allocator_type())
		{	// construct set from sequence, defaults, ignore initial size
		this->rehash(_Buckets);
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	template<class _Iter>
		unordered_multiset(_Iter _First, _Iter _Last,
			size_type _Buckets, const hasher& _Hasharg)
		: _Mybase(key_compare(_Hasharg), allocator_type())
		{	// construct set from sequence, comparator
		this->rehash(_Buckets);
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	template<class _Iter>
		unordered_multiset(_Iter _First, _Iter _Last,
			size_type _Buckets, const hasher& _Hasharg,
			const _Keyeq& _Keyeqarg)
		: _Mybase(key_compare(_Hasharg, _Keyeqarg), allocator_type())
		{	// construct set from sequence, comparator, and allocator
		this->rehash(_Buckets);
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	template<class _Iter>
		unordered_multiset(_Iter _First, _Iter _Last,
			size_type _Buckets, const hasher& _Hasharg,
			const _Keyeq& _Keyeqarg, const allocator_type& _Al)
		: _Mybase(key_compare(_Hasharg, _Keyeqarg), _Al)
		{	// construct set from sequence, comparator, and allocator
		this->rehash(_Buckets);
		for (; _First != _Last; ++_First)
			_Mybase::insert(*_First);
		}

	hasher hash_function() const
		{	// return hasher object
		return (this->comp._Hashobj);
		}

	key_equal key_eq() const
		{	// return equality comparator object
		return (this->comp._Keyeqobj);
		}

	iterator insert(const value_type& _Val)
		{	// insert a key value
		return (_Mybase::insert(_Val).first);
		}

	iterator insert(const_iterator _Where, const value_type& _Val)
		{	// insert a key value, with hint
		return (_Mybase::insert(_Where, _Val));
		}

	template<class _Iter>
		void insert(_Iter _First, _Iter _Last)
		{	// insert [_First, _Last), arbitrary iterators

 #if _HAS_ITERATOR_DEBUGGING
		_DEBUG_RANGE(_First, _Last);
 #endif /* _HAS_ITERATOR_DEBUGGING */

		_Mybase::insert(_First, _Last);
		}
	};

template<class _Kty,
	class _Hasher,
	class _Keyeq,
	class _Alloc>
	void swap(unordered_multiset<_Kty, _Hasher, _Keyeq, _Alloc>& _Left,
		unordered_multiset<_Kty, _Hasher, _Keyeq, _Alloc>& _Right)
	{	// swap _Left and _Right unordered_multisets
	_Left.swap(_Right);
	}

	}	// namespace tr1

	// unordered_set implements a performant swap
template<class _Kty,
	class _Hasher,
	class _Keyeq,
	class _Alloc>
	class _Move_operation_category<tr1::unordered_set<_Kty, _Hasher,
		_Keyeq, _Alloc> >
	{
public:
	typedef _Swap_move_tag _Move_cat;
	};

	// unordered_multiset implements a performant swap
template<class _Kty,
	class _Hasher,
	class _Keyeq,
	class _Alloc>
	class _Move_operation_category<tr1::unordered_multiset<_Kty, _Hasher,
		_Keyeq, _Alloc> >
	{
public:
	typedef _Swap_move_tag _Move_cat;
	};
_STD_END
 #pragma warning(pop)
 #pragma pack(pop)

#endif /* RC_INVOKED */
#endif /* _UNORDERED_SET_ */

/*
 * Copyright (c) 1992-2008 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
V5.05:0009 */
