2004-06-15 Paolo Carlini <pcarlini@suse.de>

	* include/ext/hashtable.h: Trivial formatting fixes.
	* include/ext/rb_tree: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83183 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 986 insertions, 848 deletions

diff --git a/libstdc++-v3/include/ext/hashtable.h b/libstdc++-v3/include/ext/hashtable.h
index f81a8580b15..15b04348d1b 100644
--- a/libstdc++-v3/include/ext/hashtable.h
+++ b/libstdc++-v3/include/ext/hashtable.h
@@ -73,922 +73,1059 @@
 
 namespace __gnu_cxx
 {
-using std::size_t;
-using std::ptrdiff_t;
-using std::forward_iterator_tag;
-using std::input_iterator_tag;
-using std::_Construct;
-using std::_Destroy;
-using std::distance;
-using std::vector;
-using std::pair;
-using std::__iterator_category;
-
-template <class _Val>
-struct _Hashtable_node
-{
-  _Hashtable_node* _M_next;
-  _Val _M_val;
-};
-
-template <class _Val, class _Key, class _HashFcn, class _ExtractKey, 
-	  class _EqualKey, class _Alloc = std::allocator<_Val> >
-class hashtable;
-
-template <class _Val, class _Key, class _HashFcn,
-          class _ExtractKey, class _EqualKey, class _Alloc>
-struct _Hashtable_iterator;
-
-template <class _Val, class _Key, class _HashFcn,
-          class _ExtractKey, class _EqualKey, class _Alloc>
-struct _Hashtable_const_iterator;
-
-template <class _Val, class _Key, class _HashFcn,
-          class _ExtractKey, class _EqualKey, class _Alloc>
-struct _Hashtable_iterator {
-  typedef hashtable<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
-          _Hashtable;
-  typedef _Hashtable_iterator<_Val, _Key, _HashFcn,
-                              _ExtractKey, _EqualKey, _Alloc>
-          iterator;
-  typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
-                                    _ExtractKey, _EqualKey, _Alloc>
-          const_iterator;
-  typedef _Hashtable_node<_Val> _Node;
-
-  typedef forward_iterator_tag iterator_category;
-  typedef _Val value_type;
-  typedef ptrdiff_t difference_type;
-  typedef size_t size_type;
-  typedef _Val& reference;
-  typedef _Val* pointer;
-
-  _Node* _M_cur;
-  _Hashtable* _M_ht;
-
-  _Hashtable_iterator(_Node* __n, _Hashtable* __tab)
-    : _M_cur(__n), _M_ht(__tab) {}
-  _Hashtable_iterator() {}
-  reference operator*() const { return _M_cur->_M_val; }
-  pointer operator->() const { return &(operator*()); }
-  iterator& operator++();
-  iterator operator++(int);
-  bool operator==(const iterator& __it) const
-    { return _M_cur == __it._M_cur; }
-  bool operator!=(const iterator& __it) const
-    { return _M_cur != __it._M_cur; }
-};
-
-
-template <class _Val, class _Key, class _HashFcn,
-          class _ExtractKey, class _EqualKey, class _Alloc>
-struct _Hashtable_const_iterator {
-  typedef hashtable<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
-          _Hashtable;
-  typedef _Hashtable_iterator<_Val,_Key,_HashFcn,
-                              _ExtractKey,_EqualKey,_Alloc>
-          iterator;
-  typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
-                                    _ExtractKey, _EqualKey, _Alloc>
-          const_iterator;
-  typedef _Hashtable_node<_Val> _Node;
-
-  typedef forward_iterator_tag iterator_category;
-  typedef _Val value_type;
-  typedef ptrdiff_t difference_type;
-  typedef size_t size_type;
-  typedef const _Val& reference;
-  typedef const _Val* pointer;
-
-  const _Node* _M_cur;
-  const _Hashtable* _M_ht;
-
-  _Hashtable_const_iterator(const _Node* __n, const _Hashtable* __tab)
-    : _M_cur(__n), _M_ht(__tab) {}
-  _Hashtable_const_iterator() {}
-  _Hashtable_const_iterator(const iterator& __it)
-    : _M_cur(__it._M_cur), _M_ht(__it._M_ht) {}
-  reference operator*() const { return _M_cur->_M_val; }
-  pointer operator->() const { return &(operator*()); }
-  const_iterator& operator++();
-  const_iterator operator++(int);
-  bool operator==(const const_iterator& __it) const
-    { return _M_cur == __it._M_cur; }
-  bool operator!=(const const_iterator& __it) const
-    { return _M_cur != __it._M_cur; }
-};
-
-// Note: assumes long is at least 32 bits.
-enum { _S_num_primes = 28 };
-
-static const unsigned long __stl_prime_list[_S_num_primes] =
-{
-  53ul,         97ul,         193ul,       389ul,       769ul,
-  1543ul,       3079ul,       6151ul,      12289ul,     24593ul,
-  49157ul,      98317ul,      196613ul,    393241ul,    786433ul,
-  1572869ul,    3145739ul,    6291469ul,   12582917ul,  25165843ul,
-  50331653ul,   100663319ul,  201326611ul, 402653189ul, 805306457ul,
-  1610612741ul, 3221225473ul, 4294967291ul
-};
-
-inline unsigned long __stl_next_prime(unsigned long __n)
-{
-  const unsigned long* __first = __stl_prime_list;
-  const unsigned long* __last = __stl_prime_list + (int)_S_num_primes;
-  const unsigned long* pos = std::lower_bound(__first, __last, __n);
-  return pos == __last ? *(__last - 1) : *pos;
-}
-
-// Forward declaration of operator==.
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-class hashtable;
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-bool operator==(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
-                const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2);
-
-
-// Hashtables handle allocators a bit differently than other
-// containers do.  If we're using standard-conforming allocators, then
-// a hashtable unconditionally has a member variable to hold its
-// allocator, even if it so happens that all instances of the
-// allocator type are identical.  This is because, for hashtables,
-// this extra storage is negligible.  Additionally, a base class
-// wouldn't serve any other purposes; it wouldn't, for example,
-// simplify the exception-handling code.
-
-template <class _Val, class _Key, class _HashFcn,
-          class _ExtractKey, class _EqualKey, class _Alloc>
-class hashtable {
-public:
-  typedef _Key key_type;
-  typedef _Val value_type;
-  typedef _HashFcn hasher;
-  typedef _EqualKey key_equal;
-
-  typedef size_t            size_type;
-  typedef ptrdiff_t         difference_type;
-  typedef value_type*       pointer;
-  typedef const value_type* const_pointer;
-  typedef value_type&       reference;
-  typedef const value_type& const_reference;
-
-  hasher hash_funct() const { return _M_hash; }
-  key_equal key_eq() const { return _M_equals; }
-
-private:
-  typedef _Hashtable_node<_Val> _Node;
-
-public:
-  typedef _Alloc allocator_type;
-  allocator_type get_allocator() const { return _M_node_allocator; }
-private:
-  typedef typename _Alloc::template rebind<_Node>::other _Node_Alloc;
-  typedef typename _Alloc::template rebind<_Node*>::other _Nodeptr_Alloc;
-  typedef vector<_Node*, _Nodeptr_Alloc> _Vector_type;
-
-  _Node_Alloc _M_node_allocator;
-  _Node* _M_get_node() { return _M_node_allocator.allocate(1); }
-  void _M_put_node(_Node* __p) { _M_node_allocator.deallocate(__p, 1); }
-
-private:
-  hasher                _M_hash;
-  key_equal             _M_equals;
-  _ExtractKey           _M_get_key;
-  _Vector_type          _M_buckets;
-  size_type             _M_num_elements;
-
-public:
-  typedef _Hashtable_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
-          iterator;
-  typedef _Hashtable_const_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,
-                                    _Alloc>
-          const_iterator;
-
-  friend struct
-  _Hashtable_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>;
-  friend struct
-  _Hashtable_const_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>;
-
-public:
-  hashtable(size_type __n,
-            const _HashFcn&    __hf,
-            const _EqualKey&   __eql,
-            const _ExtractKey& __ext,
-            const allocator_type& __a = allocator_type())
-    : _M_node_allocator(__a),
-      _M_hash(__hf),
-      _M_equals(__eql),
-      _M_get_key(__ext),
-      _M_buckets(__a),
-      _M_num_elements(0)
-  {
-    _M_initialize_buckets(__n);
-  }
-
-  hashtable(size_type __n,
-            const _HashFcn&    __hf,
-            const _EqualKey&   __eql,
-            const allocator_type& __a = allocator_type())
-    : _M_node_allocator(__a),
-      _M_hash(__hf),
-      _M_equals(__eql),
-      _M_get_key(_ExtractKey()),
-      _M_buckets(__a),
-      _M_num_elements(0)
-  {
-    _M_initialize_buckets(__n);
-  }
-
-  hashtable(const hashtable& __ht)
-    : _M_node_allocator(__ht.get_allocator()),
-      _M_hash(__ht._M_hash),
-      _M_equals(__ht._M_equals),
-      _M_get_key(__ht._M_get_key),
-      _M_buckets(__ht.get_allocator()),
-      _M_num_elements(0)
-  {
-    _M_copy_from(__ht);
-  }
+  using std::size_t;
+  using std::ptrdiff_t;
+  using std::forward_iterator_tag;
+  using std::input_iterator_tag;
+  using std::_Construct;
+  using std::_Destroy;
+  using std::distance;
+  using std::vector;
+  using std::pair;
+  using std::__iterator_category;
+
+  template <class _Val>
+    struct _Hashtable_node
+    {
+      _Hashtable_node* _M_next;
+      _Val _M_val;
+    };
 
-  hashtable& operator= (const hashtable& __ht)
-  {
-    if (&__ht != this) {
-      clear();
-      _M_hash = __ht._M_hash;
-      _M_equals = __ht._M_equals;
-      _M_get_key = __ht._M_get_key;
-      _M_copy_from(__ht);
-    }
-    return *this;
-  }
+  template <class _Val, class _Key, class _HashFcn, class _ExtractKey, 
+	    class _EqualKey, class _Alloc = std::allocator<_Val> >
+    class hashtable;
 
-  ~hashtable() { clear(); }
+  template <class _Val, class _Key, class _HashFcn,
+	    class _ExtractKey, class _EqualKey, class _Alloc>
+    struct _Hashtable_iterator;
 
-  size_type size() const { return _M_num_elements; }
-  size_type max_size() const { return size_type(-1); }
-  bool empty() const { return size() == 0; }
+  template <class _Val, class _Key, class _HashFcn,
+	    class _ExtractKey, class _EqualKey, class _Alloc>
+    struct _Hashtable_const_iterator;
 
-  void swap(hashtable& __ht)
+  template <class _Val, class _Key, class _HashFcn,
+	    class _ExtractKey, class _EqualKey, class _Alloc>
+    struct _Hashtable_iterator
+    {
+      typedef hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>
+        _Hashtable;
+      typedef _Hashtable_iterator<_Val, _Key, _HashFcn,
+				  _ExtractKey, _EqualKey, _Alloc>
+        iterator;
+      typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
+					_ExtractKey, _EqualKey, _Alloc>
+        const_iterator;
+      typedef _Hashtable_node<_Val> _Node;
+      typedef forward_iterator_tag iterator_category;
+      typedef _Val value_type;
+      typedef ptrdiff_t difference_type;
+      typedef size_t size_type;
+      typedef _Val& reference;
+      typedef _Val* pointer;
+      
+      _Node* _M_cur;
+      _Hashtable* _M_ht;
+
+      _Hashtable_iterator(_Node* __n, _Hashtable* __tab)
+      : _M_cur(__n), _M_ht(__tab) {}
+
+      _Hashtable_iterator() {}
+
+      reference
+      operator*() const
+      { return _M_cur->_M_val; }
+
+      pointer
+      operator->() const
+      { return &(operator*()); }
+
+      iterator&
+      operator++();
+
+      iterator
+      operator++(int);
+
+      bool
+      operator==(const iterator& __it) const
+      { return _M_cur == __it._M_cur; }
+
+      bool
+      operator!=(const iterator& __it) const
+      { return _M_cur != __it._M_cur; }
+    };
+
+  template <class _Val, class _Key, class _HashFcn,
+	    class _ExtractKey, class _EqualKey, class _Alloc>
+    struct _Hashtable_const_iterator
+    {
+      typedef hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>
+        _Hashtable;
+      typedef _Hashtable_iterator<_Val,_Key,_HashFcn,
+				  _ExtractKey,_EqualKey,_Alloc>
+        iterator;
+      typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
+					_ExtractKey, _EqualKey, _Alloc>
+        const_iterator;
+      typedef _Hashtable_node<_Val> _Node;
+
+      typedef forward_iterator_tag iterator_category;
+      typedef _Val value_type;
+      typedef ptrdiff_t difference_type;
+      typedef size_t size_type;
+      typedef const _Val& reference;
+      typedef const _Val* pointer;
+      
+      const _Node* _M_cur;
+      const _Hashtable* _M_ht;
+
+      _Hashtable_const_iterator(const _Node* __n, const _Hashtable* __tab)
+      : _M_cur(__n), _M_ht(__tab) {}
+
+      _Hashtable_const_iterator() {}
+
+      _Hashtable_const_iterator(const iterator& __it)
+      : _M_cur(__it._M_cur), _M_ht(__it._M_ht) {}
+
+      reference
+      operator*() const
+      { return _M_cur->_M_val; }
+
+      pointer
+      operator->() const
+      { return &(operator*()); }
+
+      const_iterator&
+      operator++();
+
+      const_iterator
+      operator++(int);
+
+      bool
+      operator==(const const_iterator& __it) const
+      { return _M_cur == __it._M_cur; }
+
+      bool
+      operator!=(const const_iterator& __it) const
+      { return _M_cur != __it._M_cur; }
+    };
+
+  // Note: assumes long is at least 32 bits.
+  enum { _S_num_primes = 28 };
+
+  static const unsigned long __stl_prime_list[_S_num_primes] =
+    {
+      53ul,         97ul,         193ul,       389ul,       769ul,
+      1543ul,       3079ul,       6151ul,      12289ul,     24593ul,
+      49157ul,      98317ul,      196613ul,    393241ul,    786433ul,
+      1572869ul,    3145739ul,    6291469ul,   12582917ul,  25165843ul,
+      50331653ul,   100663319ul,  201326611ul, 402653189ul, 805306457ul,
+      1610612741ul, 3221225473ul, 4294967291ul
+    };
+
+  inline unsigned long
+  __stl_next_prime(unsigned long __n)
   {
-    std::swap(_M_hash, __ht._M_hash);
-    std::swap(_M_equals, __ht._M_equals);
-    std::swap(_M_get_key, __ht._M_get_key);
-    _M_buckets.swap(__ht._M_buckets);
-    std::swap(_M_num_elements, __ht._M_num_elements);
+    const unsigned long* __first = __stl_prime_list;
+    const unsigned long* __last = __stl_prime_list + (int)_S_num_primes;
+    const unsigned long* pos = std::lower_bound(__first, __last, __n);
+    return pos == __last ? *(__last - 1) : *pos;
   }
 
-  iterator begin()
-  {
-    for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
-      if (_M_buckets[__n])
-        return iterator(_M_buckets[__n], this);
-    return end();
-  }
+  // Forward declaration of operator==.
+  
+  template <class _Val, class _Key, class _HF, class _Ex,
+	    class _Eq, class _All>
+    class hashtable;
+
+  template <class _Val, class _Key, class _HF, class _Ex,
+	    class _Eq, class _All>
+    bool
+    operator==(const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht1,
+	       const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht2);
+
+  // Hashtables handle allocators a bit differently than other
+  // containers do.  If we're using standard-conforming allocators, then
+  // a hashtable unconditionally has a member variable to hold its
+  // allocator, even if it so happens that all instances of the
+  // allocator type are identical.  This is because, for hashtables,
+  // this extra storage is negligible.  Additionally, a base class
+  // wouldn't serve any other purposes; it wouldn't, for example,
+  // simplify the exception-handling code.
+  
+  template <class _Val, class _Key, class _HashFcn,
+	    class _ExtractKey, class _EqualKey, class _Alloc>
+    class hashtable
+    {
+    public:
+      typedef _Key key_type;
+      typedef _Val value_type;
+      typedef _HashFcn hasher;
+      typedef _EqualKey key_equal;
+
+      typedef size_t            size_type;
+      typedef ptrdiff_t         difference_type;
+      typedef value_type*       pointer;
+      typedef const value_type* const_pointer;
+      typedef value_type&       reference;
+      typedef const value_type& const_reference;
+
+      hasher
+      hash_funct() const
+      { return _M_hash; }
+
+      key_equal
+      key_eq() const
+      { return _M_equals; }
+
+    private:
+      typedef _Hashtable_node<_Val> _Node;
+
+    public:
+      typedef _Alloc allocator_type;
+      allocator_type
+      get_allocator() const
+      { return _M_node_allocator; }
+
+    private:
+      typedef typename _Alloc::template rebind<_Node>::other _Node_Alloc;
+      typedef typename _Alloc::template rebind<_Node*>::other _Nodeptr_Alloc;
+      typedef vector<_Node*, _Nodeptr_Alloc> _Vector_type;
+
+      _Node_Alloc _M_node_allocator;
+
+      _Node*
+      _M_get_node()
+      { return _M_node_allocator.allocate(1); }
+
+      void
+      _M_put_node(_Node* __p)
+      { _M_node_allocator.deallocate(__p, 1); }
+
+    private:
+      hasher                _M_hash;
+      key_equal             _M_equals;
+      _ExtractKey           _M_get_key;
+      _Vector_type          _M_buckets;
+      size_type             _M_num_elements;
+      
+    public:
+      typedef _Hashtable_iterator<_Val, _Key, _HashFcn, _ExtractKey,
+				  _EqualKey, _Alloc>
+        iterator;
+      typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn, _ExtractKey,
+					_EqualKey, _Alloc>
+        const_iterator;
+
+      friend struct
+      _Hashtable_iterator<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>;
+
+      friend struct
+      _Hashtable_const_iterator<_Val, _Key, _HashFcn, _ExtractKey,
+				_EqualKey, _Alloc>;
+
+    public:
+      hashtable(size_type __n, const _HashFcn& __hf,
+		const _EqualKey& __eql, const _ExtractKey& __ext,
+		const allocator_type& __a = allocator_type())
+      : _M_node_allocator(__a), _M_hash(__hf), _M_equals(__eql),
+	_M_get_key(__ext), _M_buckets(__a), _M_num_elements(0)
+      { _M_initialize_buckets(__n); }
+
+      hashtable(size_type __n, const _HashFcn& __hf,
+		const _EqualKey& __eql,
+		const allocator_type& __a = allocator_type())
+      : _M_node_allocator(__a), _M_hash(__hf), _M_equals(__eql),
+	_M_get_key(_ExtractKey()), _M_buckets(__a), _M_num_elements(0)
+      { _M_initialize_buckets(__n); }
+
+      hashtable(const hashtable& __ht)
+      : _M_node_allocator(__ht.get_allocator()), _M_hash(__ht._M_hash),
+      _M_equals(__ht._M_equals), _M_get_key(__ht._M_get_key),
+      _M_buckets(__ht.get_allocator()), _M_num_elements(0)
+      { _M_copy_from(__ht); }
+
+      hashtable&
+      operator= (const hashtable& __ht)
+      {
+	if (&__ht != this)
+	  {
+	    clear();
+	    _M_hash = __ht._M_hash;
+	    _M_equals = __ht._M_equals;
+	    _M_get_key = __ht._M_get_key;
+	    _M_copy_from(__ht);
+	  }
+	return *this;
+      }
 
-  iterator end() { return iterator(0, this); }
+      ~hashtable()
+      { clear(); }
 
-  const_iterator begin() const
-  {
-    for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
-      if (_M_buckets[__n])
-        return const_iterator(_M_buckets[__n], this);
-    return end();
-  }
+      size_type
+      size() const
+      { return _M_num_elements; }
 
-  const_iterator end() const { return const_iterator(0, this); }
+      size_type
+      max_size() const
+      { return size_type(-1); }
 
-  template <class _Vl, class _Ky, class _HF, class _Ex, class _Eq, class _Al>
-  friend bool operator== (const hashtable<_Vl, _Ky, _HF, _Ex, _Eq, _Al>&,
-                          const hashtable<_Vl, _Ky, _HF, _Ex, _Eq, _Al>&);
-public:
+      bool
+      empty() const
+      { return size() == 0; }
 
-  size_type bucket_count() const { return _M_buckets.size(); }
+      void
+      swap(hashtable& __ht)
+      {
+	std::swap(_M_hash, __ht._M_hash);
+	std::swap(_M_equals, __ht._M_equals);
+	std::swap(_M_get_key, __ht._M_get_key);
+	_M_buckets.swap(__ht._M_buckets);
+	std::swap(_M_num_elements, __ht._M_num_elements);
+      }
 
-  size_type max_bucket_count() const
-    { return __stl_prime_list[(int)_S_num_primes - 1]; }
+      iterator
+      begin()
+      {
+	for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
+	  if (_M_buckets[__n])
+	    return iterator(_M_buckets[__n], this);
+	return end();
+      }
 
-  size_type elems_in_bucket(size_type __bucket) const
-  {
-    size_type __result = 0;
-    for (_Node* __cur = _M_buckets[__bucket]; __cur; __cur = __cur->_M_next)
-      __result += 1;
-    return __result;
-  }
+      iterator
+      end()
+      { return iterator(0, this); }
 
-  pair<iterator, bool> insert_unique(const value_type& __obj)
-  {
-    resize(_M_num_elements + 1);
-    return insert_unique_noresize(__obj);
-  }
+      const_iterator
+      begin() const
+      {
+	for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
+	  if (_M_buckets[__n])
+	    return const_iterator(_M_buckets[__n], this);
+	return end();
+      }
 
-  iterator insert_equal(const value_type& __obj)
-  {
-    resize(_M_num_elements + 1);
-    return insert_equal_noresize(__obj);
-  }
+      const_iterator
+      end() const
+      { return const_iterator(0, this); }
 
-  pair<iterator, bool> insert_unique_noresize(const value_type& __obj);
-  iterator insert_equal_noresize(const value_type& __obj);
+      template <class _Vl, class _Ky, class _HF, class _Ex, class _Eq,
+		class _Al>
+        friend bool
+        operator==(const hashtable<_Vl, _Ky, _HF, _Ex, _Eq, _Al>&,
+		   const hashtable<_Vl, _Ky, _HF, _Ex, _Eq, _Al>&);
 
-  template <class _InputIterator>
-  void insert_unique(_InputIterator __f, _InputIterator __l)
-  {
-    insert_unique(__f, __l, __iterator_category(__f));
-  }
+    public:
+      size_type
+      bucket_count() const
+      { return _M_buckets.size(); }
 
-  template <class _InputIterator>
-  void insert_equal(_InputIterator __f, _InputIterator __l)
-  {
-    insert_equal(__f, __l, __iterator_category(__f));
-  }
+      size_type
+      max_bucket_count() const
+      { return __stl_prime_list[(int)_S_num_primes - 1]; }
 
-  template <class _InputIterator>
-  void insert_unique(_InputIterator __f, _InputIterator __l,
-                     input_iterator_tag)
-  {
-    for ( ; __f != __l; ++__f)
-      insert_unique(*__f);
-  }
+      size_type
+      elems_in_bucket(size_type __bucket) const
+      {
+	size_type __result = 0;
+	for (_Node* __cur = _M_buckets[__bucket]; __cur; __cur = __cur->_M_next)
+	  __result += 1;
+	return __result;
+      }
 
-  template <class _InputIterator>
-  void insert_equal(_InputIterator __f, _InputIterator __l,
-                    input_iterator_tag)
-  {
-    for ( ; __f != __l; ++__f)
-      insert_equal(*__f);
-  }
+      pair<iterator, bool>
+      insert_unique(const value_type& __obj)
+      {
+	resize(_M_num_elements + 1);
+	return insert_unique_noresize(__obj);
+      }
 
-  template <class _ForwardIterator>
-  void insert_unique(_ForwardIterator __f, _ForwardIterator __l,
-                     forward_iterator_tag)
-  {
-    size_type __n = distance(__f, __l);
-    resize(_M_num_elements + __n);
-    for ( ; __n > 0; --__n, ++__f)
-      insert_unique_noresize(*__f);
-  }
+      iterator
+      insert_equal(const value_type& __obj)
+      {
+	resize(_M_num_elements + 1);
+	return insert_equal_noresize(__obj);
+      }
 
-  template <class _ForwardIterator>
-  void insert_equal(_ForwardIterator __f, _ForwardIterator __l,
-                    forward_iterator_tag)
-  {
-    size_type __n = distance(__f, __l);
-    resize(_M_num_elements + __n);
-    for ( ; __n > 0; --__n, ++__f)
-      insert_equal_noresize(*__f);
-  }
+      pair<iterator, bool>
+      insert_unique_noresize(const value_type& __obj);
 
-  reference find_or_insert(const value_type& __obj);
+      iterator
+      insert_equal_noresize(const value_type& __obj);
 
-  iterator find(const key_type& __key)
-  {
-    size_type __n = _M_bkt_num_key(__key);
-    _Node* __first;
-    for ( __first = _M_buckets[__n];
-          __first && !_M_equals(_M_get_key(__first->_M_val), __key);
-          __first = __first->_M_next)
-      {}
-    return iterator(__first, this);
-  }
+      template <class _InputIterator>
+        void
+        insert_unique(_InputIterator __f, _InputIterator __l)
+        { insert_unique(__f, __l, __iterator_category(__f)); }
 
-  const_iterator find(const key_type& __key) const
-  {
-    size_type __n = _M_bkt_num_key(__key);
-    const _Node* __first;
-    for ( __first = _M_buckets[__n];
-          __first && !_M_equals(_M_get_key(__first->_M_val), __key);
-          __first = __first->_M_next)
-      {}
-    return const_iterator(__first, this);
-  }
+      template <class _InputIterator>
+        void
+        insert_equal(_InputIterator __f, _InputIterator __l)
+        { insert_equal(__f, __l, __iterator_category(__f)); }
 
-  size_type count(const key_type& __key) const
-  {
-    const size_type __n = _M_bkt_num_key(__key);
-    size_type __result = 0;
+      template <class _InputIterator>
+        void
+        insert_unique(_InputIterator __f, _InputIterator __l,
+		      input_iterator_tag)
+        {
+	  for ( ; __f != __l; ++__f)
+	    insert_unique(*__f);
+	}
+
+      template <class _InputIterator>
+        void
+        insert_equal(_InputIterator __f, _InputIterator __l,
+		     input_iterator_tag)
+        {
+	  for ( ; __f != __l; ++__f)
+	    insert_equal(*__f);
+	}
+
+      template <class _ForwardIterator>
+        void
+        insert_unique(_ForwardIterator __f, _ForwardIterator __l,
+		      forward_iterator_tag)
+        {
+	  size_type __n = distance(__f, __l);
+	  resize(_M_num_elements + __n);
+	  for ( ; __n > 0; --__n, ++__f)
+	    insert_unique_noresize(*__f);
+	}
+
+      template <class _ForwardIterator>
+        void
+        insert_equal(_ForwardIterator __f, _ForwardIterator __l,
+		     forward_iterator_tag)
+        {
+	  size_type __n = distance(__f, __l);
+	  resize(_M_num_elements + __n);
+	  for ( ; __n > 0; --__n, ++__f)
+	    insert_equal_noresize(*__f);
+	}
 
-    for (const _Node* __cur = _M_buckets[__n]; __cur; __cur = __cur->_M_next)
-      if (_M_equals(_M_get_key(__cur->_M_val), __key))
-        ++__result;
-    return __result;
-  }
+      reference
+      find_or_insert(const value_type& __obj);
 
-  pair<iterator, iterator>
-  equal_range(const key_type& __key);
+      iterator
+      find(const key_type& __key)
+      {
+	size_type __n = _M_bkt_num_key(__key);
+	_Node* __first;
+	for (__first = _M_buckets[__n];
+	     __first && !_M_equals(_M_get_key(__first->_M_val), __key);
+	     __first = __first->_M_next)
+	  {}
+	return iterator(__first, this);
+      }
 
-  pair<const_iterator, const_iterator>
-  equal_range(const key_type& __key) const;
+      const_iterator
+      find(const key_type& __key) const
+      {
+	size_type __n = _M_bkt_num_key(__key);
+	const _Node* __first;
+	for (__first = _M_buckets[__n];
+	     __first && !_M_equals(_M_get_key(__first->_M_val), __key);
+	     __first = __first->_M_next)
+	  {}
+	return const_iterator(__first, this);
+      }
 
-  size_type erase(const key_type& __key);
-  void erase(const iterator& __it);
-  void erase(iterator __first, iterator __last);
+      size_type
+      count(const key_type& __key) const
+      {
+	const size_type __n = _M_bkt_num_key(__key);
+	size_type __result = 0;
+	
+	for (const _Node* __cur = _M_buckets[__n]; __cur;
+	     __cur = __cur->_M_next)
+	  if (_M_equals(_M_get_key(__cur->_M_val), __key))
+	    ++__result;
+	return __result;
+      }
 
-  void erase(const const_iterator& __it);
-  void erase(const_iterator __first, const_iterator __last);
+      pair<iterator, iterator>
+      equal_range(const key_type& __key);
 
-  void resize(size_type __num_elements_hint);
-  void clear();
+      pair<const_iterator, const_iterator>
+      equal_range(const key_type& __key) const;
 
-private:
-  size_type _M_next_size(size_type __n) const
-    { return __stl_next_prime(__n); }
+      size_type
+      erase(const key_type& __key);
+      
+      void
+      erase(const iterator& __it);
 
-  void _M_initialize_buckets(size_type __n)
-  {
-    const size_type __n_buckets = _M_next_size(__n);
-    _M_buckets.reserve(__n_buckets);
-    _M_buckets.insert(_M_buckets.end(), __n_buckets, (_Node*) 0);
-    _M_num_elements = 0;
-  }
+      void
+      erase(iterator __first, iterator __last);
 
-  size_type _M_bkt_num_key(const key_type& __key) const
-  {
-    return _M_bkt_num_key(__key, _M_buckets.size());
-  }
+      void
+      erase(const const_iterator& __it);
 
-  size_type _M_bkt_num(const value_type& __obj) const
-  {
-    return _M_bkt_num_key(_M_get_key(__obj));
-  }
+      void
+      erase(const_iterator __first, const_iterator __last);
 
-  size_type _M_bkt_num_key(const key_type& __key, size_t __n) const
-  {
-    return _M_hash(__key) % __n;
-  }
+      void
+      resize(size_type __num_elements_hint);
 
-  size_type _M_bkt_num(const value_type& __obj, size_t __n) const
-  {
-    return _M_bkt_num_key(_M_get_key(__obj), __n);
-  }
+      void
+      clear();
 
-  _Node* _M_new_node(const value_type& __obj)
-  {
-    _Node* __n = _M_get_node();
-    __n->_M_next = 0;
-    try {
-      _Construct(&__n->_M_val, __obj);
-      return __n;
-    }
-    catch(...)
+    private:
+      size_type
+      _M_next_size(size_type __n) const
+      { return __stl_next_prime(__n); }
+
+      void
+      _M_initialize_buckets(size_type __n)
       {
-	_M_put_node(__n);
-	__throw_exception_again;
+	const size_type __n_buckets = _M_next_size(__n);
+	_M_buckets.reserve(__n_buckets);
+	_M_buckets.insert(_M_buckets.end(), __n_buckets, (_Node*) 0);
+	_M_num_elements = 0;
       }
-  }
 
-  void _M_delete_node(_Node* __n)
-  {
-    _Destroy(&__n->_M_val);
-    _M_put_node(__n);
-  }
-
-  void _M_erase_bucket(const size_type __n, _Node* __first, _Node* __last);
-  void _M_erase_bucket(const size_type __n, _Node* __last);
+      size_type
+      _M_bkt_num_key(const key_type& __key) const
+      { return _M_bkt_num_key(__key, _M_buckets.size()); }
 
-  void _M_copy_from(const hashtable& __ht);
+      size_type
+      _M_bkt_num(const value_type& __obj) const
+      { return _M_bkt_num_key(_M_get_key(__obj)); }
 
-};
+      size_type
+      _M_bkt_num_key(const key_type& __key, size_t __n) const
+      { return _M_hash(__key) % __n; }
 
-template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
-          class _All>
-_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>&
-_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++()
-{
-  const _Node* __old = _M_cur;
-  _M_cur = _M_cur->_M_next;
-  if (!_M_cur) {
-    size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
-    while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
-      _M_cur = _M_ht->_M_buckets[__bucket];
-  }
-  return *this;
-}
+      size_type
+      _M_bkt_num(const value_type& __obj, size_t __n) const
+      { return _M_bkt_num_key(_M_get_key(__obj), __n); }
 
-template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
-          class _All>
-inline _Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>
-_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++(int)
-{
-  iterator __tmp = *this;
-  ++*this;
-  return __tmp;
-}
-
-template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
-          class _All>
-_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>&
-_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++()
-{
-  const _Node* __old = _M_cur;
-  _M_cur = _M_cur->_M_next;
-  if (!_M_cur) {
-    size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
-    while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
-      _M_cur = _M_ht->_M_buckets[__bucket];
-  }
-  return *this;
-}
+      _Node*
+      _M_new_node(const value_type& __obj)
+      {
+	_Node* __n = _M_get_node();
+	__n->_M_next = 0;
+	try
+	  {
+	    _Construct(&__n->_M_val, __obj);
+	    return __n;
+	  }
+	catch(...)
+	  {
+	    _M_put_node(__n);
+	    __throw_exception_again;
+	  }
+      }
 
-template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
-          class _All>
-inline _Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>
-_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++(int)
-{
-  const_iterator __tmp = *this;
-  ++*this;
-  return __tmp;
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-bool operator==(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
-                const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2)
-{
-  typedef typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::_Node _Node;
-  if (__ht1._M_buckets.size() != __ht2._M_buckets.size())
-    return false;
-  for (size_t __n = 0; __n < __ht1._M_buckets.size(); ++__n) {
-    _Node* __cur1 = __ht1._M_buckets[__n];
-    _Node* __cur2 = __ht2._M_buckets[__n];
-    // Check same length of lists
-    for ( ; __cur1 && __cur2;
-          __cur1 = __cur1->_M_next, __cur2 = __cur2->_M_next)
-      {}
-    if (__cur1 || __cur2)
-      return false;
-    // Now check one's elements are in the other
-    for (__cur1 = __ht1._M_buckets[__n] ; __cur1; __cur1 = __cur1->_M_next)
-    {
-      bool _found__cur1 = false;
-      for (_Node* __cur2 = __ht2._M_buckets[__n];
-           __cur2; __cur2 = __cur2->_M_next)
+      void
+      _M_delete_node(_Node* __n)
       {
-        if (__cur1->_M_val == __cur2->_M_val)
-        {
-          _found__cur1 = true;
-          break;
-        }
+	_Destroy(&__n->_M_val);
+	_M_put_node(__n);
       }
-      if (!_found__cur1)
-        return false;
+      
+      void
+      _M_erase_bucket(const size_type __n, _Node* __first, _Node* __last);
+
+      void
+      _M_erase_bucket(const size_type __n, _Node* __last);
+
+      void
+      _M_copy_from(const hashtable& __ht);
+    };
+
+  template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
+	    class _All>
+    _Hashtable_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>&
+    _Hashtable_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>::
+    operator++()
+    {
+      const _Node* __old = _M_cur;
+      _M_cur = _M_cur->_M_next;
+      if (!_M_cur)
+	{
+	  size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
+	  while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
+	    _M_cur = _M_ht->_M_buckets[__bucket];
+	}
+      return *this;
     }
-  }
-  return true;
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-inline bool operator!=(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
-                       const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2) {
-  return !(__ht1 == __ht2);
-}
-
-template <class _Val, class _Key, class _HF, class _Extract, class _EqKey,
-          class _All>
-inline void swap(hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht1,
-                 hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht2) {
-  __ht1.swap(__ht2);
-}
-
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-pair<typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator, bool>
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
-  ::insert_unique_noresize(const value_type& __obj)
-{
-  const size_type __n = _M_bkt_num(__obj);
-  _Node* __first = _M_buckets[__n];
-
-  for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
-    if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
-      return pair<iterator, bool>(iterator(__cur, this), false);
-
-  _Node* __tmp = _M_new_node(__obj);
-  __tmp->_M_next = __first;
-  _M_buckets[__n] = __tmp;
-  ++_M_num_elements;
-  return pair<iterator, bool>(iterator(__tmp, this), true);
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
-  ::insert_equal_noresize(const value_type& __obj)
-{
-  const size_type __n = _M_bkt_num(__obj);
-  _Node* __first = _M_buckets[__n];
 
-  for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
-    if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj))) {
-      _Node* __tmp = _M_new_node(__obj);
-      __tmp->_M_next = __cur->_M_next;
-      __cur->_M_next = __tmp;
-      ++_M_num_elements;
-      return iterator(__tmp, this);
+  template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
+	    class _All>
+    inline _Hashtable_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>
+    _Hashtable_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>::
+    operator++(int)
+    {
+      iterator __tmp = *this;
+      ++*this;
+      return __tmp;
     }
 
-  _Node* __tmp = _M_new_node(__obj);
-  __tmp->_M_next = __first;
-  _M_buckets[__n] = __tmp;
-  ++_M_num_elements;
-  return iterator(__tmp, this);
-}
+  template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
+	    class _All>
+    _Hashtable_const_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>&
+    _Hashtable_const_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>::
+    operator++()
+    {
+      const _Node* __old = _M_cur;
+      _M_cur = _M_cur->_M_next;
+      if (!_M_cur)
+	{
+	  size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
+	  while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
+	    _M_cur = _M_ht->_M_buckets[__bucket];
+	}
+      return *this;
+    }
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::reference
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::find_or_insert(const value_type& __obj)
-{
-  resize(_M_num_elements + 1);
-
-  size_type __n = _M_bkt_num(__obj);
-  _Node* __first = _M_buckets[__n];
-
-  for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
-    if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
-      return __cur->_M_val;
-
-  _Node* __tmp = _M_new_node(__obj);
-  __tmp->_M_next = __first;
-  _M_buckets[__n] = __tmp;
-  ++_M_num_elements;
-  return __tmp->_M_val;
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-pair<typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator,
-     typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator>
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::equal_range(const key_type& __key)
-{
-  typedef pair<iterator, iterator> _Pii;
-  const size_type __n = _M_bkt_num_key(__key);
-
-  for (_Node* __first = _M_buckets[__n]; __first; __first = __first->_M_next)
-    if (_M_equals(_M_get_key(__first->_M_val), __key)) {
-      for (_Node* __cur = __first->_M_next; __cur; __cur = __cur->_M_next)
-        if (!_M_equals(_M_get_key(__cur->_M_val), __key))
-          return _Pii(iterator(__first, this), iterator(__cur, this));
-      for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
-        if (_M_buckets[__m])
-          return _Pii(iterator(__first, this),
-                     iterator(_M_buckets[__m], this));
-      return _Pii(iterator(__first, this), end());
+  template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
+	    class _All>
+    inline _Hashtable_const_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>
+    _Hashtable_const_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>::
+    operator++(int)
+    {
+      const_iterator __tmp = *this;
+      ++*this;
+      return __tmp;
     }
-  return _Pii(end(), end());
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-pair<typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::const_iterator,
-     typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::const_iterator>
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
-  ::equal_range(const key_type& __key) const
-{
-  typedef pair<const_iterator, const_iterator> _Pii;
-  const size_type __n = _M_bkt_num_key(__key);
-
-  for (const _Node* __first = _M_buckets[__n] ;
-       __first;
-       __first = __first->_M_next) {
-    if (_M_equals(_M_get_key(__first->_M_val), __key)) {
-      for (const _Node* __cur = __first->_M_next;
-           __cur;
-           __cur = __cur->_M_next)
-        if (!_M_equals(_M_get_key(__cur->_M_val), __key))
-          return _Pii(const_iterator(__first, this),
-                      const_iterator(__cur, this));
-      for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
-        if (_M_buckets[__m])
-          return _Pii(const_iterator(__first, this),
-                      const_iterator(_M_buckets[__m], this));
-      return _Pii(const_iterator(__first, this), end());
+
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    bool
+    operator==(const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht1,
+	       const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht2)
+    {
+      typedef typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::_Node _Node;
+
+      if (__ht1._M_buckets.size() != __ht2._M_buckets.size())
+	return false;
+
+      for (size_t __n = 0; __n < __ht1._M_buckets.size(); ++__n)
+	{
+	  _Node* __cur1 = __ht1._M_buckets[__n];
+	  _Node* __cur2 = __ht2._M_buckets[__n];
+	  // Check same length of lists
+	  for (; __cur1 && __cur2;
+	       __cur1 = __cur1->_M_next, __cur2 = __cur2->_M_next)
+	    {}
+	  if (__cur1 || __cur2)
+	    return false;
+	  // Now check one's elements are in the other
+	  for (__cur1 = __ht1._M_buckets[__n] ; __cur1;
+	       __cur1 = __cur1->_M_next)
+	    {
+	      bool _found__cur1 = false;
+	      for (_Node* __cur2 = __ht2._M_buckets[__n];
+		   __cur2; __cur2 = __cur2->_M_next)
+		{
+		  if (__cur1->_M_val == __cur2->_M_val)
+		    {
+		      _found__cur1 = true;
+		      break;
+		    }
+		}
+	      if (!_found__cur1)
+		return false;
+	    }
+	}
+      return true;
     }
-  }
-  return _Pii(end(), end());
-}
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::size_type
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const key_type& __key)
-{
-  const size_type __n = _M_bkt_num_key(__key);
-  _Node* __first = _M_buckets[__n];
-  size_type __erased = 0;
-
-  if (__first) {
-    _Node* __cur = __first;
-    _Node* __next = __cur->_M_next;
-    while (__next) {
-      if (_M_equals(_M_get_key(__next->_M_val), __key)) {
-        __cur->_M_next = __next->_M_next;
-        _M_delete_node(__next);
-        __next = __cur->_M_next;
-        ++__erased;
-        --_M_num_elements;
-      }
-      else {
-        __cur = __next;
-        __next = __cur->_M_next;
-      }
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    inline bool
+    operator!=(const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht1,
+	       const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht2)
+    { return !(__ht1 == __ht2); }
+
+  template <class _Val, class _Key, class _HF, class _Extract, class _EqKey,
+	    class _All>
+    inline void
+    swap(hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht1,
+	 hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht2)
+    { __ht1.swap(__ht2); }
+
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    pair<typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::iterator, bool>
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    insert_unique_noresize(const value_type& __obj)
+    {
+      const size_type __n = _M_bkt_num(__obj);
+      _Node* __first = _M_buckets[__n];
+      
+      for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
+	if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
+	  return pair<iterator, bool>(iterator(__cur, this), false);
+      
+      _Node* __tmp = _M_new_node(__obj);
+      __tmp->_M_next = __first;
+      _M_buckets[__n] = __tmp;
+      ++_M_num_elements;
+      return pair<iterator, bool>(iterator(__tmp, this), true);
     }
-    if (_M_equals(_M_get_key(__first->_M_val), __key)) {
-      _M_buckets[__n] = __first->_M_next;
-      _M_delete_node(__first);
-      ++__erased;
-      --_M_num_elements;
+
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::iterator
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    insert_equal_noresize(const value_type& __obj)
+    {
+      const size_type __n = _M_bkt_num(__obj);
+      _Node* __first = _M_buckets[__n];
+      
+      for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
+	if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
+	  {
+	    _Node* __tmp = _M_new_node(__obj);
+	    __tmp->_M_next = __cur->_M_next;
+	    __cur->_M_next = __tmp;
+	    ++_M_num_elements;
+	    return iterator(__tmp, this);
+	  }
+
+      _Node* __tmp = _M_new_node(__obj);
+      __tmp->_M_next = __first;
+      _M_buckets[__n] = __tmp;
+      ++_M_num_elements;
+      return iterator(__tmp, this);
     }
-  }
-  return __erased;
-}
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const iterator& __it)
-{
-  _Node* __p = __it._M_cur;
-  if (__p) {
-    const size_type __n = _M_bkt_num(__p->_M_val);
-    _Node* __cur = _M_buckets[__n];
-
-    if (__cur == __p) {
-      _M_buckets[__n] = __cur->_M_next;
-      _M_delete_node(__cur);
-      --_M_num_elements;
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::reference
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    find_or_insert(const value_type& __obj)
+    {
+      resize(_M_num_elements + 1);
+
+      size_type __n = _M_bkt_num(__obj);
+      _Node* __first = _M_buckets[__n];
+      
+      for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
+	if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
+	  return __cur->_M_val;
+      
+      _Node* __tmp = _M_new_node(__obj);
+      __tmp->_M_next = __first;
+      _M_buckets[__n] = __tmp;
+      ++_M_num_elements;
+      return __tmp->_M_val;
     }
-    else {
-      _Node* __next = __cur->_M_next;
-      while (__next) {
-        if (__next == __p) {
-          __cur->_M_next = __next->_M_next;
-          _M_delete_node(__next);
-          --_M_num_elements;
-          break;
-        }
-        else {
-          __cur = __next;
-          __next = __cur->_M_next;
-        }
-      }
+
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    pair<typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::iterator,
+	 typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::iterator>
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    equal_range(const key_type& __key)
+    {
+      typedef pair<iterator, iterator> _Pii;
+      const size_type __n = _M_bkt_num_key(__key);
+
+      for (_Node* __first = _M_buckets[__n]; __first;
+	   __first = __first->_M_next)
+	if (_M_equals(_M_get_key(__first->_M_val), __key))
+	  {
+	    for (_Node* __cur = __first->_M_next; __cur;
+		 __cur = __cur->_M_next)
+	      if (!_M_equals(_M_get_key(__cur->_M_val), __key))
+		return _Pii(iterator(__first, this), iterator(__cur, this));
+	    for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
+	      if (_M_buckets[__m])
+		return _Pii(iterator(__first, this),
+			    iterator(_M_buckets[__m], this));
+	    return _Pii(iterator(__first, this), end());
+	  }
+      return _Pii(end(), end());
     }
-  }
-}
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
-  ::erase(iterator __first, iterator __last)
-{
-  size_type __f_bucket = __first._M_cur ?
-    _M_bkt_num(__first._M_cur->_M_val) : _M_buckets.size();
-  size_type __l_bucket = __last._M_cur ?
-    _M_bkt_num(__last._M_cur->_M_val) : _M_buckets.size();
-
-  if (__first._M_cur == __last._M_cur)
-    return;
-  else if (__f_bucket == __l_bucket)
-    _M_erase_bucket(__f_bucket, __first._M_cur, __last._M_cur);
-  else {
-    _M_erase_bucket(__f_bucket, __first._M_cur, 0);
-    for (size_type __n = __f_bucket + 1; __n < __l_bucket; ++__n)
-      _M_erase_bucket(__n, 0);
-    if (__l_bucket != _M_buckets.size())
-      _M_erase_bucket(__l_bucket, __last._M_cur);
-  }
-}
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    pair<typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::const_iterator,
+	 typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::const_iterator>
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    equal_range(const key_type& __key) const
+    {
+      typedef pair<const_iterator, const_iterator> _Pii;
+      const size_type __n = _M_bkt_num_key(__key);
+
+      for (const _Node* __first = _M_buckets[__n]; __first;
+	   __first = __first->_M_next)
+	{
+	  if (_M_equals(_M_get_key(__first->_M_val), __key))
+	    {
+	      for (const _Node* __cur = __first->_M_next; __cur;
+		   __cur = __cur->_M_next)
+		if (!_M_equals(_M_get_key(__cur->_M_val), __key))
+		  return _Pii(const_iterator(__first, this),
+			      const_iterator(__cur, this));
+	      for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
+		if (_M_buckets[__m])
+		  return _Pii(const_iterator(__first, this),
+			      const_iterator(_M_buckets[__m], this));
+	      return _Pii(const_iterator(__first, this), end());
+	    }
+	}
+      return _Pii(end(), end());
+    }
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-inline void
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const_iterator __first,
-                                             const_iterator __last)
-{
-  erase(iterator(const_cast<_Node*>(__first._M_cur),
-                 const_cast<hashtable*>(__first._M_ht)),
-        iterator(const_cast<_Node*>(__last._M_cur),
-                 const_cast<hashtable*>(__last._M_ht)));
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-inline void
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const const_iterator& __it)
-{
-  erase(iterator(const_cast<_Node*>(__it._M_cur),
-                 const_cast<hashtable*>(__it._M_ht)));
-}
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::size_type
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    erase(const key_type& __key)
+    {
+      const size_type __n = _M_bkt_num_key(__key);
+      _Node* __first = _M_buckets[__n];
+      size_type __erased = 0;
+      
+      if (__first)
+	{
+	  _Node* __cur = __first;
+	  _Node* __next = __cur->_M_next;
+	  while (__next)
+	    {
+	      if (_M_equals(_M_get_key(__next->_M_val), __key))
+		{
+		  __cur->_M_next = __next->_M_next;
+		  _M_delete_node(__next);
+		  __next = __cur->_M_next;
+		  ++__erased;
+		  --_M_num_elements;
+		}
+	      else
+		{
+		  __cur = __next;
+		  __next = __cur->_M_next;
+		}
+	    }
+	  if (_M_equals(_M_get_key(__first->_M_val), __key))
+	    {
+	      _M_buckets[__n] = __first->_M_next;
+	      _M_delete_node(__first);
+	      ++__erased;
+	      --_M_num_elements;
+	    }
+	}
+      return __erased;
+    }
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
-  ::resize(size_type __num_elements_hint)
-{
-  const size_type __old_n = _M_buckets.size();
-  if (__num_elements_hint > __old_n) {
-    const size_type __n = _M_next_size(__num_elements_hint);
-    if (__n > __old_n) {
-      _Vector_type __tmp(__n, (_Node*)(0), _M_buckets.get_allocator());
-      try {
-        for (size_type __bucket = 0; __bucket < __old_n; ++__bucket) {
-          _Node* __first = _M_buckets[__bucket];
-          while (__first) {
-            size_type __new_bucket = _M_bkt_num(__first->_M_val, __n);
-            _M_buckets[__bucket] = __first->_M_next;
-            __first->_M_next = __tmp[__new_bucket];
-            __tmp[__new_bucket] = __first;
-            __first = _M_buckets[__bucket];
-          }
-        }
-        _M_buckets.swap(__tmp);
-      }
-      catch(...) {
-        for (size_type __bucket = 0; __bucket < __tmp.size(); ++__bucket) {
-          while (__tmp[__bucket]) {
-            _Node* __next = __tmp[__bucket]->_M_next;
-            _M_delete_node(__tmp[__bucket]);
-            __tmp[__bucket] = __next;
-          }
-        }
-        __throw_exception_again;
-      }
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    void hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    erase(const iterator& __it)
+    {
+      _Node* __p = __it._M_cur;
+      if (__p)
+	{
+	  const size_type __n = _M_bkt_num(__p->_M_val);
+	  _Node* __cur = _M_buckets[__n];
+	  
+	  if (__cur == __p)
+	    {
+	      _M_buckets[__n] = __cur->_M_next;
+	      _M_delete_node(__cur);
+	      --_M_num_elements;
+	    }
+	  else
+	    {
+	      _Node* __next = __cur->_M_next;
+	      while (__next)
+		{
+		  if (__next == __p)
+		    {
+		      __cur->_M_next = __next->_M_next;
+		      _M_delete_node(__next);
+		      --_M_num_elements;
+		      break;
+		    }
+		  else
+		    {
+		      __cur = __next;
+		      __next = __cur->_M_next;
+		    }
+		}
+	    }
+	}
     }
-  }
-}
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
-  ::_M_erase_bucket(const size_type __n, _Node* __first, _Node* __last)
-{
-  _Node* __cur = _M_buckets[__n];
-  if (__cur == __first)
-    _M_erase_bucket(__n, __last);
-  else {
-    _Node* __next;
-    for (__next = __cur->_M_next;
-         __next != __first;
-         __cur = __next, __next = __cur->_M_next)
-      ;
-    while (__next != __last) {
-      __cur->_M_next = __next->_M_next;
-      _M_delete_node(__next);
-      __next = __cur->_M_next;
-      --_M_num_elements;
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    void
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    erase(iterator __first, iterator __last)
+    {
+      size_type __f_bucket = __first._M_cur ? _M_bkt_num(__first._M_cur->_M_val)
+	                                    : _M_buckets.size();
+
+      size_type __l_bucket = __last._M_cur ? _M_bkt_num(__last._M_cur->_M_val)
+	                                   : _M_buckets.size();
+
+      if (__first._M_cur == __last._M_cur)
+	return;
+      else if (__f_bucket == __l_bucket)
+	_M_erase_bucket(__f_bucket, __first._M_cur, __last._M_cur);
+      else
+	{
+	  _M_erase_bucket(__f_bucket, __first._M_cur, 0);
+	  for (size_type __n = __f_bucket + 1; __n < __l_bucket; ++__n)
+	    _M_erase_bucket(__n, 0);
+	  if (__l_bucket != _M_buckets.size())
+	    _M_erase_bucket(__l_bucket, __last._M_cur);
+	}
     }
-  }
-}
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
-  ::_M_erase_bucket(const size_type __n, _Node* __last)
-{
-  _Node* __cur = _M_buckets[__n];
-  while (__cur != __last) {
-    _Node* __next = __cur->_M_next;
-    _M_delete_node(__cur);
-    __cur = __next;
-    _M_buckets[__n] = __cur;
-    --_M_num_elements;
-  }
-}
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    inline void
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    erase(const_iterator __first, const_iterator __last)
+    {
+      erase(iterator(const_cast<_Node*>(__first._M_cur),
+		     const_cast<hashtable*>(__first._M_ht)),
+	    iterator(const_cast<_Node*>(__last._M_cur),
+		     const_cast<hashtable*>(__last._M_ht)));
+    }
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::clear()
-{
-  for (size_type __i = 0; __i < _M_buckets.size(); ++__i) {
-    _Node* __cur = _M_buckets[__i];
-    while (__cur != 0) {
-      _Node* __next = __cur->_M_next;
-      _M_delete_node(__cur);
-      __cur = __next;
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    inline void
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    erase(const const_iterator& __it)
+    { erase(iterator(const_cast<_Node*>(__it._M_cur),
+		     const_cast<hashtable*>(__it._M_ht))); }
+
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    void
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    resize(size_type __num_elements_hint)
+    {
+      const size_type __old_n = _M_buckets.size();
+      if (__num_elements_hint > __old_n)
+	{
+	  const size_type __n = _M_next_size(__num_elements_hint);
+	  if (__n > __old_n)
+	    {
+	      _Vector_type __tmp(__n, (_Node*)(0), _M_buckets.get_allocator());
+	      try
+		{
+		  for (size_type __bucket = 0; __bucket < __old_n; ++__bucket)
+		    {
+		      _Node* __first = _M_buckets[__bucket];
+		      while (__first)
+			{
+			  size_type __new_bucket = _M_bkt_num(__first->_M_val,
+							      __n);
+			  _M_buckets[__bucket] = __first->_M_next;
+			  __first->_M_next = __tmp[__new_bucket];
+			  __tmp[__new_bucket] = __first;
+			  __first = _M_buckets[__bucket];
+			}
+		    }
+		  _M_buckets.swap(__tmp);
+		}
+	      catch(...)
+		{
+		  for (size_type __bucket = 0; __bucket < __tmp.size();
+		       ++__bucket)
+		    {
+		      while (__tmp[__bucket])
+			{
+			  _Node* __next = __tmp[__bucket]->_M_next;
+			  _M_delete_node(__tmp[__bucket]);
+			  __tmp[__bucket] = __next;
+			}
+		    }
+		  __throw_exception_again;
+		}
+	    }
+	}
     }
-    _M_buckets[__i] = 0;
-  }
-  _M_num_elements = 0;
-}
 
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    void
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    _M_erase_bucket(const size_type __n, _Node* __first, _Node* __last)
+    {
+      _Node* __cur = _M_buckets[__n];
+      if (__cur == __first)
+	_M_erase_bucket(__n, __last);
+      else
+	{
+	  _Node* __next;
+	  for (__next = __cur->_M_next;
+	       __next != __first;
+	       __cur = __next, __next = __cur->_M_next)
+	    ;
+	  while (__next != __last)
+	    {
+	      __cur->_M_next = __next->_M_next;
+	      _M_delete_node(__next);
+	      __next = __cur->_M_next;
+	      --_M_num_elements;
+	    }
+	}
+    }
 
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
-  ::_M_copy_from(const hashtable& __ht)
-{
-  _M_buckets.clear();
-  _M_buckets.reserve(__ht._M_buckets.size());
-  _M_buckets.insert(_M_buckets.end(), __ht._M_buckets.size(), (_Node*) 0);
-  try {
-    for (size_type __i = 0; __i < __ht._M_buckets.size(); ++__i) {
-      const _Node* __cur = __ht._M_buckets[__i];
-      if (__cur) {
-        _Node* __local_copy = _M_new_node(__cur->_M_val);
-        _M_buckets[__i] = __local_copy;
-
-        for (_Node* __next = __cur->_M_next;
-             __next;
-             __cur = __next, __next = __cur->_M_next) {
-          __local_copy->_M_next = _M_new_node(__next->_M_val);
-          __local_copy = __local_copy->_M_next;
-        }
-      }
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    void
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    _M_erase_bucket(const size_type __n, _Node* __last)
+    {
+      _Node* __cur = _M_buckets[__n];
+      while (__cur != __last)
+	{
+	  _Node* __next = __cur->_M_next;
+	  _M_delete_node(__cur);
+	  __cur = __next;
+	  _M_buckets[__n] = __cur;
+	  --_M_num_elements;
+	}
     }
-    _M_num_elements = __ht._M_num_elements;
-  }
-  catch(...)
+
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    void
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    clear()
     {
-      clear();
-      __throw_exception_again;
+      for (size_type __i = 0; __i < _M_buckets.size(); ++__i)
+	{
+	  _Node* __cur = _M_buckets[__i];
+	  while (__cur != 0)
+	    {
+	      _Node* __next = __cur->_M_next;
+	      _M_delete_node(__cur);
+	      __cur = __next;
+	    }
+	  _M_buckets[__i] = 0;
+	}
+      _M_num_elements = 0;
+    }
+
+  template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+    void
+    hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+    _M_copy_from(const hashtable& __ht)
+    {
+      _M_buckets.clear();
+      _M_buckets.reserve(__ht._M_buckets.size());
+      _M_buckets.insert(_M_buckets.end(), __ht._M_buckets.size(), (_Node*) 0);
+      try
+	{
+	  for (size_type __i = 0; __i < __ht._M_buckets.size(); ++__i) {
+	    const _Node* __cur = __ht._M_buckets[__i];
+	    if (__cur)
+	      {
+		_Node* __local_copy = _M_new_node(__cur->_M_val);
+		_M_buckets[__i] = __local_copy;
+		
+		for (_Node* __next = __cur->_M_next;
+		     __next;
+		     __cur = __next, __next = __cur->_M_next)
+		  {
+		    __local_copy->_M_next = _M_new_node(__next->_M_val);
+		    __local_copy = __local_copy->_M_next;
+		  }
+	      }
+	  }
+	  _M_num_elements = __ht._M_num_elements;
+	}
+      catch(...)
+	{
+	  clear();
+	  __throw_exception_again;
+	}
     }
-}
 } // namespace __gnu_cxx
 
 #endif
diff --git a/libstdc++-v3/include/ext/rb_tree b/libstdc++-v3/include/ext/rb_tree
index 2c38b39706e..3d7bb35becf 100644
--- a/libstdc++-v3/include/ext/rb_tree
+++ b/libstdc++-v3/include/ext/rb_tree
@@ -1,6 +1,6 @@
 // rb_tree extension -*- C++ -*-
 
-// Copyright (C) 2002 Free Software Foundation, Inc.
+// Copyright (C) 2002, 2003, 2004 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
@@ -81,17 +81,18 @@ namespace __gnu_cxx
    */
   template <class _Key, class _Value, class _KeyOfValue, class _Compare,
 	    class _Alloc = allocator<_Value> >
-  struct rb_tree : public _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
-  {
-    typedef _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
-    typedef typename _Base::allocator_type allocator_type;
+    struct rb_tree
+    : public _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
+    {
+      typedef _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
+      typedef typename _Base::allocator_type allocator_type;
 
-    rb_tree(const _Compare& __comp = _Compare(),
-	    const allocator_type& __a = allocator_type())
+      rb_tree(const _Compare& __comp = _Compare(),
+	      const allocator_type& __a = allocator_type())
       : _Base(__comp, __a) { }
 
-    ~rb_tree() { }
-  };
+      ~rb_tree() { }
+    };
 } // namespace __gnu_cxx
 
 #endif