//---------------------------15/03/26----------------------------
//hash_set
{
/*
hash_set概述:
1:这是一个hash版本的set,RB_tree版本的set有自动排序功能,
而hash_set没有这个功能。
2:hash_set的使用方式,与set完全相同。
*/
//class
template<class Value, class HashFcn = hash<Value>,
class EqualKey = equal_to<Value>, class Alloc=alloc>
class hash_set
{
private:
typedef hashtable<Value, Value, HashFcn, identity<Value>,
EqualKey, Alloc> ht;
ht rep;
public:
typedef typename ht::key_type key_type;
typedef typename ht::value_type value_type;
typedef typename ht::hasher hasher; //hashtable中: typedef HashFcn hasher
typedef typename ht::key_equel key_equel;
typedef typename ht::size_type size_type;
typedef typename ht::difference_type difference_type;
typedef typename ht::const_pointer pointer;
typedef typename ht::const_pointer const_pointer;
typedef typename ht::const_reference reference;
typedef typename ht::const_reference const_reference;
typedef typename ht::const_iterator iterator;
typedef typename ht::const_iterator const_iterator;
hasher hash_funct() const {return rep.hash_funct(); }
key_equel key_eq() const { return rep.key_eq(); }
public:
//各种构造函数 ,不给定大小的话默认值为100,实际上找到的质数为193
hash_set() : rep(100,hasher(), key_equel()){}
explicit hash_set(size_type n) : rep(n, hasher(), key_equel()) {}
hash_set(size_type n, const hasher& hf) : rep(n, hf, key_equel()) {}
hash_set(size_type n, const hasher& hf, const key_equel& eql)
: rep(n, hf, eql) {}
template< class InputIterator>
hash_set(InputIterator f, InputIterator l)
: rep(100, hasher(), key_equel()) { rep.insert_unique(f, l); }
template< class InputIterator>
hash_set(InputIterator f, InputIterator l, size_type n)
: rep(n, hasher(), key_equel()) { rep.insert_unique(f, l); }
template< class InputIterator>
hash_set(InputIterator f, InputIterator l, size_type n, const hasher& hf)
: rep(n, hf, key_equel()) { rep.insert_unique(f, l); }
template< class InputIterator>
hash_set(InputIterator f, InputIterator l, size_type n, const hasher& hf
const key_equel& eql)
: rep(100, hf, eql) { rep.insert_unique(f, l); }
public:
size_type size() const {return rep.size();}
size_type max_size() const { return rep.max_size(); }
bool empty() const {return rep.empty(); }
void swap(hash_set& hs) { rep.swap(hs.rep); }
friend bool operator== __STL_NULL_TMPL_ARGS (const hash_set&, const hash_set&);
iterator begin() const { return rep.begin(); }
iterator end() const { return rep.end(); }
public:
pair<iterator, bool> insert(const value_type& obj)
{
pair<typename ht::iterator, bool> p =rep.insert_unique(obj);
return pair<iterator, bool>(p.first, p.second);
}
template<class InputIterator>
void insert(InputIterator f, InputIterator l) { rep.insert_unique(f,l); }
pair<iterator, bool> insert_noresize(const value_type& obj)
{
pair<typename ht::iterator, bool> p = rep.insert_unique_noresize(obj);
return pair<iterator, bool>(p.first, p.second);
}
iterator find(const key_type& key) const { return rep.find(key); }
size_type count(const key_type& key) const {return rep.count(key); }
//相等的key的位置(是一个左闭右开的区间),由迭代器给出
pair<iterator, iterator> equal_range(const key_type& key) const
{ return rep.equal_range(key); }
size_type erase(const key_type& key) { return rep.erase(key); }
void erase(iterator it) { rep.erase(it); }
void erase(iterator f, iterator l) { rep.erase(f, l); }
void clear() { rep.clear(); }
public:
void resize(size_type hint) { rep.resize(hint); }
size_type bucket_count() const { return rep.bucket_count(); }
size_type elems_in_bucket(size_type n) const
{ return rep.elems_in_bucket(n); }
//class
template<class Value, class HashFcn, class EqualKey, class Alloc>
inline bool operator==(const hash_set<Value, HashFcn, EqualKey, Alloc>& hs1,
const hash_set<Value, HashFcn, EqualKey, Alloc>& hs2)
{
return has1.rep == has2.rep;
}
};
}
//hash_map
{
/*
hash_map概述:
hash_map之于map就像hash_set之于set一样。
*/
//class
template<class Key, class T, class HashFcn = hash<Value>,
class EqualKey = equal_to<Value>, class Alloc=alloc>
class hash_map
{
private:
typedef hashtable<pair<const Key, T>, Key, HashFcn,
select1st<pair<const Key, T>, EqualKey, Alloc> ht;
ht rep;
public:
typedef typename ht::key_type key_type;
typedef T data_type;
typedef T mapped_type;
typedef typename ht::value_type value_type;
typedef typename ht::hasher hasher; //hashtable中: typedef HashFcn hasher
typedef typename ht::key_equel key_equel;
typedef typename ht::size_type size_type;
typedef typename ht::difference_type difference_type;
typedef typename ht::pointer pointer;
typedef typename ht::const_pointer const_pointer;
typedef typename ht::reference reference;
typedef typename ht::const_reference const_reference;
typedef typename ht::iterator iterator;
typedef typename ht::const_iterator const_iterator;
hasher hash_funct() const {return rep.hash_funct(); }
key_equel key_eq() const { return rep.key_eq(); }
public:
//各种构造函数 ,不给定大小的话默认值为100,实际上找到的质数为193
hash_map() : rep(100, hasher(), key_equel()){}
explicit hash_map(size_type n) : rep(n, hasher(), key_equel()) {}
hash_map(size_type n, const hasher& hf) : rep(n, hf, key_equel()) {}
hash_map(size_type n, const hasher& hf, const key_equel& eql)
: rep(n, hf, eql) {}
template< class InputIterator>
hash_map(InputIterator f, InputIterator l)
: rep(100, hasher(), key_equel()) { rep.insert_unique(f, l); }
template< class InputIterator>
hash_map(InputIterator f, InputIterator l, size_type n)
: rep(n, hasher(), key_equel()) { rep.insert_unique(f, l); }
template< class InputIterator>
hash_map(InputIterator f, InputIterator l, size_type n, const hasher& hf)
: rep(n, hf, key_equel()) { rep.insert_unique(f, l); }
template< class InputIterator>
hash_map(InputIterator f, InputIterator l, size_type n, const hasher& hf
const key_equel& eql)
: rep(100, hf, eql) { rep.insert_unique(f, l); }
public:
size_type size() const {return rep.size();}
size_type max_size() const { return rep.max_size(); }
bool empty() const {return rep.empty(); }
void swap(hash_map& hs) { rep.swap(hs.rep); }
friend bool operator== __STL_NULL_TMPL_ARGS (const hash_map&, const hash_map&);
iterator begin() const { return rep.begin(); }
iterator end() const { return rep.end(); }
public:
pair<iterator, bool> insert(const value_type& obj)
{
//之前在set中就想过 为什么不直接返回 在map中看到时直接返回了,
//不是像set中一样还要先申请一个临时变量 再返回临时变量
//经过一番努力,发现:set的iterator是const_iterator,因为set不能更改值嘛
//所以需要进行转化,所以set那里会复杂一些
return rep.insert_unique(obj);
}
template<class InputIterator>
void insert(InputIterator f, InputIterator l) { rep.insert_unique(f,l); }
pair<iterator, bool> insert_noresize(const value_type& obj)
{
return rep.insert_unique_noresize(obj);
}
iterator find(const key_type& key) const { return rep.find(key); }
const_iterator find(const key_type& key) const { return rep.find(key);}
T& operator[](const key_type& key)
{
return rep.find_or_insert(value_type(key, T())).second;
}
size_type count(const key_type& key) const {return rep.count(key); }
//相等的key的位置(是一个左闭右开的区间),由迭代器给出
pair<iterator, iterator> equal_range(const key_type& key) const
{ return rep.equal_range(key); }
size_type erase(const key_type& key) { return rep.erase(key); }
void erase(iterator it) { rep.erase(it); }
void erase(iterator f, iterator l) { rep.erase(f, l); }
void clear() { rep.clear(); }
public:
void resize(size_type hint) { rep.resize(hint); }
size_type bucket_count() const { return rep.bucket_count(); }
size_type elems_in_bucket(size_type n) const
{ return rep.elems_in_bucket(n); }
//class
template<class Value, class HashFcn, class EqualKey, class Alloc>
inline bool operator==(const hash_map<Value, HashFcn, EqualKey, Alloc>& hm1,
const hash_map<Value, HashFcn, EqualKey, Alloc>& hm2)
{
return has1.rep == has2.rep;
}
};
}
//hash_multiset
{
/*
hash_multiset概述:
同上
*/
//class
template<class Value, class HashFcn = hash<Value>,
class EqualKey = equal_to<Value>, class Alloc=alloc>
class hash_multiset
{
private:
typedef hash_multiset<Value, Value, HashFcn, identity<Value>,
EqualKey, Alloc> ht;
ht rep;
public:
typedef typename ht::key_type key_type;
typedef typename ht::value_type value_type;
typedef typename ht::hasher hasher; //hashtable中: typedef HashFcn hasher
typedef typename ht::key_equel key_equel;
typedef typename ht::size_type size_type;
typedef typename ht::difference_type difference_type;
typedef typename ht::const_pointer pointer;
typedef typename ht::const_pointer const_pointer;
typedef typename ht::const_reference reference;
typedef typename ht::const_reference const_reference;
typedef typename ht::const_iterator iterator;
typedef typename ht::const_iterator const_iterator;
hasher hash_funct() const {return rep.hash_funct(); }
key_equel key_eq() const { return rep.key_eq(); }
public:
//各种构造函数 ,不给定大小的话默认值为100,实际上找到的质数为193
hash_multiset() : rep(100,hasher(), key_equel()){}
explicit hash_multiset(size_type n) : rep(n, hasher(), key_equel()) {}
hash_multiset(size_type n, const hasher& hf) : rep(n, hf, key_equel()) {}
hash_multiset(size_type n, const hasher& hf, const key_equel& eql)
: rep(n, hf, eql) {}
template< class InputIterator>
hash_multiset(InputIterator f, InputIterator l)
: rep(100, hasher(), key_equel()) { rep.insert_equal(f, l); }
template< class InputIterator>
hash_multiset(InputIterator f, InputIterator l, size_type n)
: rep(n, hasher(), key_equel()) { rep.insert_equal(f, l); }
template< class InputIterator>
hash_multiset(InputIterator f, InputIterator l, size_type n, const hasher& hf)
: rep(n, hf, key_equel()) { rep.insert_equal(f, l); }
template< class InputIterator>
hash_multiset(InputIterator f, InputIterator l, size_type n, const hasher& hf
const key_equel& eql)
: rep(100, hf, eql) { rep.insert_equal(f, l); }
public:
size_type size() const {return rep.size();}
size_type max_size() const { return rep.max_size(); }
bool empty() const {return rep.empty(); }
void swap(hash_multiset& hs) { rep.swap(hs.rep); }
friend bool operator== __STL_NULL_TMPL_ARGS (const hash_multiset&, const hash_multiset&);
iterator begin() const { return rep.begin(); }
iterator end() const { return rep.end(); }
public:
iterator insert(const value_type& obj)
{
return rep.insert_equal(obj);
}
template<class InputIterator>
void insert(InputIterator f, InputIterator l) { rep.insert_equal(f,l); }
iterator insert_noresize(const value_type& obj)
{
return rep.insert_equal_noresize(obj);
}
iterator find(const key_type& key) const { return rep.find(key); }
size_type count(const key_type& key) const {return rep.count(key); }
//相等的key的位置(是一个左闭右开的区间),由迭代器给出
pair<iterator, iterator> equal_range(const key_type& key) const
{ return rep.equal_range(key); }
size_type erase(const key_type& key) { return rep.erase(key); }
void erase(iterator it) { rep.erase(it); }
void erase(iterator f, iterator l) { rep.erase(f, l); }
void clear() { rep.clear(); }
public:
void resize(size_type hint) { rep.resize(hint); }
size_type bucket_count() const { return rep.bucket_count(); }
size_type elems_in_bucket(size_type n) const
{ return rep.elems_in_bucket(n); }
//class
template<class Value, class HashFcn, class EqualKey, class Alloc>
inline bool operator==(const hash_multiset<Value, HashFcn, EqualKey, Alloc>& hs1,
const hash_multiset<Value, HashFcn, EqualKey, Alloc>& hs2)
{
return has1.rep == has2.rep;
}
};
}
//hash_multimap
{
/*
hash_multimap概述:
同上
*/
//class
template<class Key, class T, class HashFcn = hash<Value>,
class EqualKey = equal_to<Value>, class Alloc=alloc>
class hash_multimap
{
private:
typedef hashtable<pair<const Key, T>, Key, HashFcn,
select1st<pair<const Key, T>, EqualKey, Alloc> ht;
ht rep;
public:
typedef typename ht::key_type key_type;
typedef T data_type;
typedef T mapped_type;
typedef typename ht::value_type value_type;
typedef typename ht::hasher hasher; //hashtable中: typedef HashFcn hasher
typedef typename ht::key_equel key_equel;
typedef typename ht::size_type size_type;
typedef typename ht::difference_type difference_type;
typedef typename ht::pointer pointer;
typedef typename ht::const_pointer const_pointer;
typedef typename ht::reference reference;
typedef typename ht::const_reference const_reference;
typedef typename ht::iterator iterator;
typedef typename ht::const_iterator const_iterator;
hasher hash_funct() const {return rep.hash_funct(); }
key_equel key_eq() const { return rep.key_eq(); }
public:
//各种构造函数 ,不给定大小的话默认值为100,实际上找到的质数为193
hash_multimap() : rep(100, hasher(), key_equel()){}
explicit hash_multimap(size_type n) : rep(n, hasher(), key_equel()) {}
hash_multimap(size_type n, const hasher& hf) : rep(n, hf, key_equel()) {}
hash_multimap(size_type n, const hasher& hf, const key_equel& eql)
: rep(n, hf, eql) {}
template< class InputIterator>
hash_multimap(InputIterator f, InputIterator l)
: rep(100, hasher(), key_equel()) { rep.insert_equal(f, l); }
template< class InputIterator>
hash_multimap(InputIterator f, InputIterator l, size_type n)
: rep(n, hasher(), key_equel()) { rep.insert_equal(f, l); }
template< class InputIterator>
hash_multimap(InputIterator f, InputIterator l, size_type n, const hasher& hf)
: rep(n, hf, key_equel()) { rep.insert_equal(f, l); }
template< class InputIterator>
hash_multimap(InputIterator f, InputIterator l, size_type n, const hasher& hf
const key_equel& eql)
: rep(100, hf, eql) { rep.insert_equal(f, l); }
public:
size_type size() const {return rep.size();}
size_type max_size() const { return rep.max_size(); }
bool empty() const {return rep.empty(); }
void swap(hash_multimap& hs) { rep.swap(hs.rep); }
friend bool operator== __STL_NULL_TMPL_ARGS (const hash_multimap&, const hash_multimap&);
iterator begin() const { return rep.begin(); }
iterator end() const { return rep.end(); }
public:
iterator insert(const value_type& obj)
{
return rep.insert_equal(obj);
}
template<class InputIterator>
void insert(InputIterator f, InputIterator l) { rep.insert_equal(f,l); }
iterator insert_noresize(const value_type& obj)
{
return rep.insert_equal_noresize(obj);
}
iterator find(const key_type& key) const { return rep.find(key); }
const_iterator find(const key_type& key) const { return rep.find(key);}
size_type count(const key_type& key) const {return rep.count(key); }
//相等的key的位置(是一个左闭右开的区间),由迭代器给出
pair<iterator, iterator> equal_range(const key_type& key) const
{ return rep.equal_range(key); }
size_type erase(const key_type& key) { return rep.erase(key); }
void erase(iterator it) { rep.erase(it); }
void erase(iterator f, iterator l) { rep.erase(f, l); }
void clear() { rep.clear(); }
public:
void resize(size_type hint) { rep.resize(hint); }
size_type bucket_count() const { return rep.bucket_count(); }
size_type elems_in_bucket(size_type n) const
{ return rep.elems_in_bucket(n); }
//class
template<class Value, class HashFcn, class EqualKey, class Alloc>
inline bool operator==(const hash_multimap<Value, HashFcn, EqualKey, Alloc>& hm1,
const hash_multimap<Value, HashFcn, EqualKey, Alloc>& hm2)
{
return has1.rep == has2.rep;
}
};
}