// hash_set standard header
#pragma once
#ifndef _HASH_SET_
#define _HASH_SET_
#include <xhash>

#pragma pack(push,8)
#pragma warning(push,3)
_STD_BEGIN

		// TEMPLATE CLASS _Hset_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 _Hset_traits
	{	// 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_MEMBER rebind<value_type>::other
		allocator_type;

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

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

	_Hset_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 hash_set
template<class _Kty,
	class _Tr = hash_compare<_Kty, less<_Kty> >,
	class _Alloc = allocator<_Kty> >
	class hash_set
		: public _Hash<_Hset_traits<_Kty, _Tr, _Alloc, false> >
	{	// hash table of key values, unique keys
public:
	typedef hash_set<_Kty, _Tr, _Alloc> _Myt;
	typedef _Hash<_Hset_traits<_Kty, _Tr, _Alloc, false> > _Mybase;
	typedef _Kty key_type;
	typedef _Tr key_compare;
	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;

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

	explicit hash_set(const key_compare& _Traits)
		: _Mybase(_Traits, allocator_type())
		{	// construct empty set from comparator
		}

	hash_set(const key_compare& _Traits, const allocator_type& _Al)
		: _Mybase(_Traits, _Al)
		{	// construct empty set from comparator and allocator
		}

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

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

	template<class _Iter>
		hash_set(_Iter _First, _Iter _Last, const key_compare& _Traits,
		const allocator_type& _Al)
		: _Mybase(_Traits, _Al)
		{	// construct set from sequence, comparator, and allocator
		for (; _First != _Last; ++_First)
			this->insert(*_First);
		}
	};

		// TEMPLATE CLASS hash_multiset
template<class _Kty,
	class _Tr = hash_compare<_Kty, less<_Kty> >,
	class _Alloc = allocator<_Kty> >
	class hash_multiset
		: public _Hash<_Hset_traits<_Kty, _Tr, _Alloc, true> >
	{	// hash table of key values, non-unique keys
public:
	typedef hash_multiset<_Kty, _Tr, _Alloc> _Myt;
	typedef _Hash<_Hset_traits<_Kty, _Tr, _Alloc, true> > _Mybase;
	typedef _Kty key_type;
	typedef _Tr key_compare;
	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;

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

	explicit hash_multiset(const key_compare& _Traits)
		: _Mybase(_Traits, allocator_type())
		{	// construct empty set from comparator
		}

	hash_multiset(const key_compare& _Traits,
		const allocator_type& _Al)
		: _Mybase(_Traits, _Al)
		{	// construct empty set from comparator and allocator
		}

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

	template<class _Iter>
		hash_multiset(_Iter _First, _Iter _Last, const key_compare& _Traits)
		: _Mybase(_Traits, allocator_type())
		{	// construct from sequence, comparator
		for (; _First != _Last; ++_First)
			this->insert(*_First);
		}

	template<class _Iter>
		hash_multiset(_Iter _First, _Iter _Last, const key_compare& _Traits,
		const allocator_type& _Al)
		: _Mybase(_Traits, _Al)
		{	// construct from sequence, comparator, and allocator
		for (; _First != _Last; ++_First)
			this->insert(*_First);
		}

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

	iterator insert(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
		for (; _First != _Last; ++_First)
			insert(*_First);
		}
	};
_STD_END
#pragma warning(pop)
#pragma pack(pop)

#endif /* _HASH_SET_ */

/*
* Copyright (c) 1992-2001 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
 V3.10:0009 */
