friend class ImmutableMap;
public:
- value_type_ref operator*() const { return itr->getValue(); }
- value_type* operator->() const { return &itr->getValue(); }
+ typedef ptrdiff_t difference_type;
+ typedef typename ImmutableMap<KeyT,ValT,ValInfo>::value_type value_type;
+ typedef typename ImmutableMap<KeyT,ValT,ValInfo>::value_type_ref reference;
+ typedef typename iterator::value_type *pointer;
+ typedef std::bidirectional_iterator_tag iterator_category;
+
+ typename iterator::reference operator*() const { return itr->getValue(); }
+ typename iterator::pointer operator->() const { return &itr->getValue(); }
key_type_ref getKey() const { return itr->getValue().first; }
data_type_ref getData() const { return itr->getValue().second; }
-
iterator& operator++() { ++itr; return *this; }
iterator operator++(int) { iterator tmp(*this); ++itr; return tmp; }
iterator& operator--() { --itr; return *this; }
iterator operator--(int) { iterator tmp(*this); --itr; return tmp; }
+
bool operator==(const iterator& RHS) const { return RHS.itr == itr; }
bool operator!=(const iterator& RHS) const { return RHS.itr != itr; }
-
- typedef ImmutableMap<KeyT,ValT,ValInfo>::value_type value_type;
- typedef value_type *pointer;
- typedef value_type &reference;
- typedef std::bidirectional_iterator_tag iterator_category;
};
iterator begin() const { return iterator(Root); }
if (T) return &T->getValue().second;
}
- return 0;
+ return nullptr;
}
/// getMaxElement - Returns the <key,value> pair in the ImmutableMap for
/// which key is the highest in the ordering of keys in the map. This
/// method returns NULL if the map is empty.
value_type* getMaxElement() const {
- return Root ? &(Root->getMaxElement()->getValue()) : 0;
+ return Root ? &(Root->getMaxElement()->getValue()) : nullptr;
}
//===--------------------------------------------------===//