libstdc++-v3/include/bits/unordered_map.h - native_client/nacl-gcc - Git at Google

 // unordered_map implementation -*- C++ -*-

 // Copyright (C) 2010, 2011, 2013 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
 // terms of the GNU General Public License as published by the
 // Free Software Foundation; either version 3, or (at your option)
 // any later version.

 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.

 // Under Section 7 of GPL version 3, you are granted additional
 // permissions described in the GCC Runtime Library Exception, version
 // 3.1, as published by the Free Software Foundation.

 // You should have received a copy of the GNU General Public License and
 // a copy of the GCC Runtime Library Exception along with this program;
 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 // <http://www.gnu.org/licenses/>.

 /** @file bits/unordered_map.h
  *  This is an internal header file, included by other library headers.
  *  Do not attempt to use it directly. @headername{unordered_map}
  */

 #ifndef _UNORDERED_MAP_H
 #define _UNORDERED_MAP_H

 namespace std _GLIBCXX_VISIBILITY(default)
 {
 _GLIBCXX_BEGIN_NAMESPACE_CONTAINER

   // NB: When we get typedef templates these class definitions
   // will be unnecessary.
   template<class _Key, class _Tp,
 	   class _Hash = hash<_Key>,
 	   class _Pred = std::equal_to<_Key>,
 	   class _Alloc = std::allocator<std::pair<const _Key, _Tp> >,
 	   bool __cache_hash_code =
 	     __not_<__and_<is_integral<_Key>, is_empty<_Hash>,
 			   integral_constant<bool, !__is_final(_Hash)>,
 			   __detail::__is_noexcept_hash<_Key, _Hash>>>::value>
     class __unordered_map
     : public _Hashtable<_Key, std::pair<const _Key, _Tp>, _Alloc,
 			std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
 			_Hash, __detail::_Mod_range_hashing,
 			__detail::_Default_ranged_hash,
 			__detail::_Prime_rehash_policy,
 			__cache_hash_code, false, true>,
       __check_copy_constructible<_Alloc>
     {
       typedef _Hashtable<_Key, std::pair<const _Key, _Tp>, _Alloc,
 			 std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
 			 _Hash, __detail::_Mod_range_hashing,
 			 __detail::_Default_ranged_hash,
 			 __detail::_Prime_rehash_policy,
 			 __cache_hash_code, false, true>
         _Base;

     public:
       typedef typename _Base::value_type      value_type;
       typedef typename _Base::size_type       size_type;
       typedef typename _Base::hasher          hasher;
       typedef typename _Base::key_equal       key_equal;
       typedef typename _Base::allocator_type  allocator_type;

       explicit
       __unordered_map(size_type __n = 10,
 		      const hasher& __hf = hasher(),
 		      const key_equal& __eql = key_equal(),
 		      const allocator_type& __a = allocator_type())
       : _Base(__n, __hf, __detail::_Mod_range_hashing(),
 	      __detail::_Default_ranged_hash(),
 	      __eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
       { }

       template<typename _InputIterator>
         __unordered_map(_InputIterator __f, _InputIterator __l,
 			size_type __n = 0,
 			const hasher& __hf = hasher(),
 			const key_equal& __eql = key_equal(),
 			const allocator_type& __a = allocator_type())
 	: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
 		__detail::_Default_ranged_hash(),
 		__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
 	{ }

       __unordered_map(initializer_list<value_type> __l,
 		      size_type __n = 0,
 		      const hasher& __hf = hasher(),
 		      const key_equal& __eql = key_equal(),
 		      const allocator_type& __a = allocator_type())
       : _Base(__l.begin(), __l.end(), __n, __hf,
 	      __detail::_Mod_range_hashing(),
 	      __detail::_Default_ranged_hash(),
 	      __eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
       { }

       __unordered_map&
       operator=(initializer_list<value_type> __l)
       {
 	this->clear();
 	this->insert(__l.begin(), __l.end());
 	return *this;
       }
     };

   template<class _Key, class _Tp,
 	   class _Hash = hash<_Key>,
 	   class _Pred = std::equal_to<_Key>,
 	   class _Alloc = std::allocator<std::pair<const _Key, _Tp> >,
 	   bool __cache_hash_code =
 	     __not_<__and_<is_integral<_Key>, is_empty<_Hash>,
 			   integral_constant<bool, !__is_final(_Hash)>,
 			   __detail::__is_noexcept_hash<_Key, _Hash>>>::value>
     class __unordered_multimap
     : public _Hashtable<_Key, std::pair<const _Key, _Tp>,
 			_Alloc,
 			std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
 			_Hash, __detail::_Mod_range_hashing,
 			__detail::_Default_ranged_hash,
 			__detail::_Prime_rehash_policy,
 			__cache_hash_code, false, false>,
       __check_copy_constructible<_Alloc>
     {
       typedef _Hashtable<_Key, std::pair<const _Key, _Tp>,
 			 _Alloc,
 			 std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
 			 _Hash, __detail::_Mod_range_hashing,
 			 __detail::_Default_ranged_hash,
 			 __detail::_Prime_rehash_policy,
 			 __cache_hash_code, false, false>
         _Base;

     public:
       typedef typename _Base::value_type      value_type;
       typedef typename _Base::size_type       size_type;
       typedef typename _Base::hasher          hasher;
       typedef typename _Base::key_equal       key_equal;
       typedef typename _Base::allocator_type  allocator_type;

       explicit
       __unordered_multimap(size_type __n = 10,
 			   const hasher& __hf = hasher(),
 			   const key_equal& __eql = key_equal(),
 			   const allocator_type& __a = allocator_type())
       : _Base(__n, __hf, __detail::_Mod_range_hashing(),
 	      __detail::_Default_ranged_hash(),
 	      __eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
       { }


       template<typename _InputIterator>
         __unordered_multimap(_InputIterator __f, _InputIterator __l,
 			     size_type __n = 0,
 			     const hasher& __hf = hasher(),
 			     const key_equal& __eql = key_equal(),
 			     const allocator_type& __a = allocator_type())
 	: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
 		__detail::_Default_ranged_hash(),
 		__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
         { }

       __unordered_multimap(initializer_list<value_type> __l,
 			   size_type __n = 0,
 			   const hasher& __hf = hasher(),
 			   const key_equal& __eql = key_equal(),
 			   const allocator_type& __a = allocator_type())
       : _Base(__l.begin(), __l.end(), __n, __hf,
 	      __detail::_Mod_range_hashing(),
 	      __detail::_Default_ranged_hash(),
 	      __eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
       { }

       __unordered_multimap&
       operator=(initializer_list<value_type> __l)
       {
 	this->clear();
 	this->insert(__l.begin(), __l.end());
 	return *this;
       }
     };

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
 	   bool __cache_hash_code>
     inline void
     swap(__unordered_map<_Key, _Tp, _Hash, _Pred,
 	 _Alloc, __cache_hash_code>& __x,
 	 __unordered_map<_Key, _Tp, _Hash, _Pred,
 	 _Alloc, __cache_hash_code>& __y)
     { __x.swap(__y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
 	   bool __cache_hash_code>
     inline void
     swap(__unordered_multimap<_Key, _Tp, _Hash, _Pred,
 	 _Alloc, __cache_hash_code>& __x,
 	 __unordered_multimap<_Key, _Tp, _Hash, _Pred,
 	 _Alloc, __cache_hash_code>& __y)
     { __x.swap(__y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
 	   bool __cache_hash_code>
     inline bool
     operator==(const __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc,
 	       __cache_hash_code>& __x,
 	       const __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc,
 	       __cache_hash_code>& __y)
     { return __x._M_equal(__y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
 	   bool __cache_hash_code>
     inline bool
     operator!=(const __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc,
 	       __cache_hash_code>& __x,
 	       const __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc,
 	       __cache_hash_code>& __y)
     { return !(__x == __y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
 	   bool __cache_hash_code>
     inline bool
     operator==(const __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc,
 	       __cache_hash_code>& __x,
 	       const __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc,
 	       __cache_hash_code>& __y)
     { return __x._M_equal(__y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
 	   bool __cache_hash_code>
     inline bool
     operator!=(const __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc,
 	       __cache_hash_code>& __x,
 	       const __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc,
 	       __cache_hash_code>& __y)
     { return !(__x == __y); }

   /**
    *  @brief A standard container composed of unique keys (containing
    *  at most one of each key value) that associates values of another type
    *  with the keys.
    *
    *  @ingroup unordered_associative_containers
    *
    *  Meets the requirements of a <a href="tables.html#65">container</a>, and
    *  <a href="tables.html#xx">unordered associative container</a>
    *
    *  @param  Key  Type of key objects.
    *  @param  Tp  Type of mapped objects.
    *  @param  Hash  Hashing function object type, defaults to hash<Value>.
    *  @param  Pred  Predicate function object type, defaults to equal_to<Value>.
    *  @param  Alloc  Allocator type, defaults to allocator<Key>.
    *
    * The resulting value type of the container is std::pair<const Key, Tp>.
    */
   template<class _Key, class _Tp,
 	   class _Hash = hash<_Key>,
 	   class _Pred = std::equal_to<_Key>,
 	   class _Alloc = std::allocator<std::pair<const _Key, _Tp> > >
     class unordered_map
     : public __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>
     {
       typedef __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>  _Base;

     public:
       typedef typename _Base::value_type      value_type;
       typedef typename _Base::size_type       size_type;
       typedef typename _Base::hasher          hasher;
       typedef typename _Base::key_equal       key_equal;
       typedef typename _Base::allocator_type  allocator_type;

       explicit
       unordered_map(size_type __n = 10,
 		    const hasher& __hf = hasher(),
 		    const key_equal& __eql = key_equal(),
 		    const allocator_type& __a = allocator_type())
       : _Base(__n, __hf, __eql, __a)
       { }

       template<typename _InputIterator>
         unordered_map(_InputIterator __f, _InputIterator __l,
 		      size_type __n = 0,
 		      const hasher& __hf = hasher(),
 		      const key_equal& __eql = key_equal(),
 		      const allocator_type& __a = allocator_type())
 	: _Base(__f, __l, __n, __hf, __eql, __a)
         { }

       unordered_map(initializer_list<value_type> __l,
 		    size_type __n = 0,
 		    const hasher& __hf = hasher(),
 		    const key_equal& __eql = key_equal(),
 		    const allocator_type& __a = allocator_type())
       : _Base(__l.begin(), __l.end(), __n, __hf, __eql, __a)
       { }

       unordered_map&
       operator=(initializer_list<value_type> __l)
       {
 	this->clear();
 	this->insert(__l.begin(), __l.end());
 	return *this;
       }
     };

   /**
    *  @brief A standard container composed of equivalent keys
    *  (possibly containing multiple of each key value) that associates
    *  values of another type with the keys.
    *
    *  @ingroup unordered_associative_containers
    *
    *  Meets the requirements of a <a href="tables.html#65">container</a>, and
    *  <a href="tables.html#xx">unordered associative container</a>
    *
    *  @param  Key  Type of key objects.
    *  @param  Tp  Type of mapped objects.
    *  @param  Hash  Hashing function object type, defaults to hash<Value>.
    *  @param  Pred  Predicate function object type, defaults to equal_to<Value>.
    *  @param  Alloc  Allocator type, defaults to allocator<Key>.
    *
    * The resulting value type of the container is std::pair<const Key, Tp>.
    */
   template<class _Key, class _Tp,
 	   class _Hash = hash<_Key>,
 	   class _Pred = std::equal_to<_Key>,
 	   class _Alloc = std::allocator<std::pair<const _Key, _Tp> > >
     class unordered_multimap
     : public __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>
     {
       typedef __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>  _Base;

     public:
       typedef typename _Base::value_type      value_type;
       typedef typename _Base::size_type       size_type;
       typedef typename _Base::hasher          hasher;
       typedef typename _Base::key_equal       key_equal;
       typedef typename _Base::allocator_type  allocator_type;

       explicit
       unordered_multimap(size_type __n = 10,
 			 const hasher& __hf = hasher(),
 			 const key_equal& __eql = key_equal(),
 			 const allocator_type& __a = allocator_type())
       : _Base(__n, __hf, __eql, __a)
       { }

       template<typename _InputIterator>
         unordered_multimap(_InputIterator __f, _InputIterator __l,
 			   size_type __n = 0,
 			   const hasher& __hf = hasher(),
 			   const key_equal& __eql = key_equal(),
 			   const allocator_type& __a = allocator_type())
 	: _Base(__f, __l, __n, __hf, __eql, __a)
         { }

       unordered_multimap(initializer_list<value_type> __l,
 			 size_type __n = 0,
 			 const hasher& __hf = hasher(),
 			 const key_equal& __eql = key_equal(),
 			 const allocator_type& __a = allocator_type())
       : _Base(__l.begin(), __l.end(), __n, __hf, __eql, __a)
       { }

       unordered_multimap&
       operator=(initializer_list<value_type> __l)
       {
 	this->clear();
 	this->insert(__l.begin(), __l.end());
 	return *this;
       }
     };

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
     inline void
     swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
 	 unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
     { __x.swap(__y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
     inline void
     swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
 	 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
     { __x.swap(__y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
     inline bool
     operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
 	       const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
     { return __x._M_equal(__y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
     inline bool
     operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
 	       const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
     { return !(__x == __y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
     inline bool
     operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
 	       const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
     { return __x._M_equal(__y); }

   template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
     inline bool
     operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
 	       const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
     { return !(__x == __y); }

 _GLIBCXX_END_NAMESPACE_CONTAINER
 } // namespace std

 #endif /* _UNORDERED_MAP_H */
	// unordered_map implementation -- C++ --

	// Copyright (C) 2010, 2011, 2013 Free Software Foundation, Inc.
	//
	// This file is part of the GNU ISO C++ Library. This library is free
	// software; you can redistribute it and/or modify it under the
	// terms of the GNU General Public License as published by the
	// Free Software Foundation; either version 3, or (at your option)
	// any later version.

	// This library is distributed in the hope that it will be useful,
	// but WITHOUT ANY WARRANTY; without even the implied warranty of
	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	// GNU General Public License for more details.

	// Under Section 7 of GPL version 3, you are granted additional
	// permissions described in the GCC Runtime Library Exception, version
	// 3.1, as published by the Free Software Foundation.

	// You should have received a copy of the GNU General Public License and
	// a copy of the GCC Runtime Library Exception along with this program;
	// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
	// <http://www.gnu.org/licenses/>.

	/** @file bits/unordered_map.h
	* This is an internal header file, included by other library headers.
	* Do not attempt to use it directly. @headername{unordered_map}
	*/

	#ifndef _UNORDERED_MAP_H
	#define _UNORDERED_MAP_H

	namespace std _GLIBCXX_VISIBILITY(default)
	{
	_GLIBCXX_BEGIN_NAMESPACE_CONTAINER

	// NB: When we get typedef templates these class definitions
	// will be unnecessary.
	template<class _Key, class _Tp,
	class _Hash = hash<_Key>,
	class _Pred = std::equal_to<_Key>,
	class _Alloc = std::allocator<std::pair<const _Key, _Tp> >,
	bool __cache_hash_code =
	__not_<__and_<is_integral<_Key>, is_empty<_Hash>,
	integral_constant<bool, !__is_final(_Hash)>,
	__detail::__is_noexcept_hash<_Key, _Hash>>>::value>
	class __unordered_map
	: public _Hashtable<_Key, std::pair<const _Key, _Tp>, _Alloc,
	std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
	_Hash, __detail::_Mod_range_hashing,
	__detail::_Default_ranged_hash,
	__detail::_Prime_rehash_policy,
	__cache_hash_code, false, true>,
	__check_copy_constructible<_Alloc>
	{
	typedef _Hashtable<_Key, std::pair<const _Key, _Tp>, _Alloc,
	std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
	_Hash, __detail::_Mod_range_hashing,
	__detail::_Default_ranged_hash,
	__detail::_Prime_rehash_policy,
	__cache_hash_code, false, true>
	_Base;

	public:
	typedef typename _Base::value_type value_type;
	typedef typename _Base::size_type size_type;
	typedef typename _Base::hasher hasher;
	typedef typename _Base::key_equal key_equal;
	typedef typename _Base::allocator_type allocator_type;

	explicit
	__unordered_map(size_type __n = 10,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__n, __hf, __detail::_Mod_range_hashing(),
	__detail::_Default_ranged_hash(),
	__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
	{ }

	template<typename _InputIterator>
	__unordered_map(_InputIterator __f, _InputIterator __l,
	size_type __n = 0,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
	__detail::_Default_ranged_hash(),
	__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
	{ }

	__unordered_map(initializer_list<value_type> __l,
	size_type __n = 0,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__l.begin(), __l.end(), __n, __hf,
	__detail::_Mod_range_hashing(),
	__detail::_Default_ranged_hash(),
	__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
	{ }

	__unordered_map&
	operator=(initializer_list<value_type> __l)
	{
	this->clear();
	this->insert(__l.begin(), __l.end());
	return *this;
	}
	};

	template<class _Key, class _Tp,
	class _Hash = hash<_Key>,
	class _Pred = std::equal_to<_Key>,
	class _Alloc = std::allocator<std::pair<const _Key, _Tp> >,
	bool __cache_hash_code =
	__not_<__and_<is_integral<_Key>, is_empty<_Hash>,
	integral_constant<bool, !__is_final(_Hash)>,
	__detail::__is_noexcept_hash<_Key, _Hash>>>::value>
	class __unordered_multimap
	: public _Hashtable<_Key, std::pair<const _Key, _Tp>,
	_Alloc,
	std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
	_Hash, __detail::_Mod_range_hashing,
	__detail::_Default_ranged_hash,
	__detail::_Prime_rehash_policy,
	__cache_hash_code, false, false>,
	__check_copy_constructible<_Alloc>
	{
	typedef _Hashtable<_Key, std::pair<const _Key, _Tp>,
	_Alloc,
	std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
	_Hash, __detail::_Mod_range_hashing,
	__detail::_Default_ranged_hash,
	__detail::_Prime_rehash_policy,
	__cache_hash_code, false, false>
	_Base;

	public:
	typedef typename _Base::value_type value_type;
	typedef typename _Base::size_type size_type;
	typedef typename _Base::hasher hasher;
	typedef typename _Base::key_equal key_equal;
	typedef typename _Base::allocator_type allocator_type;

	explicit
	__unordered_multimap(size_type __n = 10,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__n, __hf, __detail::_Mod_range_hashing(),
	__detail::_Default_ranged_hash(),
	__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
	{ }


	template<typename _InputIterator>
	__unordered_multimap(_InputIterator __f, _InputIterator __l,
	size_type __n = 0,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
	__detail::_Default_ranged_hash(),
	__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
	{ }

	__unordered_multimap(initializer_list<value_type> __l,
	size_type __n = 0,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__l.begin(), __l.end(), __n, __hf,
	__detail::_Mod_range_hashing(),
	__detail::_Default_ranged_hash(),
	__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
	{ }

	__unordered_multimap&
	operator=(initializer_list<value_type> __l)
	{
	this->clear();
	this->insert(__l.begin(), __l.end());
	return *this;
	}
	};

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
	bool __cache_hash_code>
	inline void
	swap(__unordered_map<_Key, _Tp, _Hash, _Pred,
	_Alloc, __cache_hash_code>& __x,
	__unordered_map<_Key, _Tp, _Hash, _Pred,
	_Alloc, __cache_hash_code>& __y)
	{ __x.swap(__y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
	bool __cache_hash_code>
	inline void
	swap(__unordered_multimap<_Key, _Tp, _Hash, _Pred,
	_Alloc, __cache_hash_code>& __x,
	__unordered_multimap<_Key, _Tp, _Hash, _Pred,
	_Alloc, __cache_hash_code>& __y)
	{ __x.swap(__y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
	bool __cache_hash_code>
	inline bool
	operator==(const __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc,
	__cache_hash_code>& __x,
	const __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc,
	__cache_hash_code>& __y)
	{ return __x._M_equal(__y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
	bool __cache_hash_code>
	inline bool
	operator!=(const __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc,
	__cache_hash_code>& __x,
	const __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc,
	__cache_hash_code>& __y)
	{ return !(__x == __y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
	bool __cache_hash_code>
	inline bool
	operator==(const __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc,
	__cache_hash_code>& __x,
	const __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc,
	__cache_hash_code>& __y)
	{ return __x._M_equal(__y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
	bool __cache_hash_code>
	inline bool
	operator!=(const __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc,
	__cache_hash_code>& __x,
	const __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc,
	__cache_hash_code>& __y)
	{ return !(__x == __y); }

	/**
	* @brief A standard container composed of unique keys (containing
	* at most one of each key value) that associates values of another type
	* with the keys.
	*
	* @ingroup unordered_associative_containers
	*
	* Meets the requirements of a <a href="tables.html#65">container</a>, and
	* <a href="tables.html#xx">unordered associative container</a>
	*
	* @param Key Type of key objects.
	* @param Tp Type of mapped objects.
	* @param Hash Hashing function object type, defaults to hash<Value>.
	* @param Pred Predicate function object type, defaults to equal_to<Value>.
	* @param Alloc Allocator type, defaults to allocator<Key>.
	*
	* The resulting value type of the container is std::pair<const Key, Tp>.
	*/
	template<class _Key, class _Tp,
	class _Hash = hash<_Key>,
	class _Pred = std::equal_to<_Key>,
	class _Alloc = std::allocator<std::pair<const _Key, _Tp> > >
	class unordered_map
	: public __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>
	{
	typedef __unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc> _Base;

	public:
	typedef typename _Base::value_type value_type;
	typedef typename _Base::size_type size_type;
	typedef typename _Base::hasher hasher;
	typedef typename _Base::key_equal key_equal;
	typedef typename _Base::allocator_type allocator_type;

	explicit
	unordered_map(size_type __n = 10,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__n, __hf, __eql, __a)
	{ }

	template<typename _InputIterator>
	unordered_map(_InputIterator __f, _InputIterator __l,
	size_type __n = 0,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__f, __l, __n, __hf, __eql, __a)
	{ }

	unordered_map(initializer_list<value_type> __l,
	size_type __n = 0,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__l.begin(), __l.end(), __n, __hf, __eql, __a)
	{ }

	unordered_map&
	operator=(initializer_list<value_type> __l)
	{
	this->clear();
	this->insert(__l.begin(), __l.end());
	return *this;
	}
	};

	/**
	* @brief A standard container composed of equivalent keys
	* (possibly containing multiple of each key value) that associates
	* values of another type with the keys.
	*
	* @ingroup unordered_associative_containers
	*
	* Meets the requirements of a <a href="tables.html#65">container</a>, and
	* <a href="tables.html#xx">unordered associative container</a>
	*
	* @param Key Type of key objects.
	* @param Tp Type of mapped objects.
	* @param Hash Hashing function object type, defaults to hash<Value>.
	* @param Pred Predicate function object type, defaults to equal_to<Value>.
	* @param Alloc Allocator type, defaults to allocator<Key>.
	*
	* The resulting value type of the container is std::pair<const Key, Tp>.
	*/
	template<class _Key, class _Tp,
	class _Hash = hash<_Key>,
	class _Pred = std::equal_to<_Key>,
	class _Alloc = std::allocator<std::pair<const _Key, _Tp> > >
	class unordered_multimap
	: public __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>
	{
	typedef __unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc> _Base;

	public:
	typedef typename _Base::value_type value_type;
	typedef typename _Base::size_type size_type;
	typedef typename _Base::hasher hasher;
	typedef typename _Base::key_equal key_equal;
	typedef typename _Base::allocator_type allocator_type;

	explicit
	unordered_multimap(size_type __n = 10,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__n, __hf, __eql, __a)
	{ }

	template<typename _InputIterator>
	unordered_multimap(_InputIterator __f, _InputIterator __l,
	size_type __n = 0,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__f, __l, __n, __hf, __eql, __a)
	{ }

	unordered_multimap(initializer_list<value_type> __l,
	size_type __n = 0,
	const hasher& __hf = hasher(),
	const key_equal& __eql = key_equal(),
	const allocator_type& __a = allocator_type())
	: _Base(__l.begin(), __l.end(), __n, __hf, __eql, __a)
	{ }

	unordered_multimap&
	operator=(initializer_list<value_type> __l)
	{
	this->clear();
	this->insert(__l.begin(), __l.end());
	return *this;
	}
	};

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
	inline void
	swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
	unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
	{ __x.swap(__y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
	inline void
	swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
	unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
	{ __x.swap(__y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
	inline bool
	operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
	const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
	{ return __x._M_equal(__y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
	inline bool
	operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
	const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
	{ return !(__x == __y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
	inline bool
	operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
	const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
	{ return __x._M_equal(__y); }

	template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
	inline bool
	operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
	const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
	{ return !(__x == __y); }

	_GLIBCXX_END_NAMESPACE_CONTAINER
	} // namespace std

	#endif /* _UNORDERED_MAP_H */