#ifndef MULTIABLE_SET__H
#define MULTIABLE_SET__H

#include <set>
#include <functional>
#include "if.h"

template <class T, bool ismulti, class Compare = std::less<T> >
class MultiableSet{
	std::multiset<T, Compare> m;
public:

	int size() const{
		return m.size();
	}

	MultiableSet<T, ismulti, Compare>& insert(const T& t){
		if (ismulti || 0 == m.count(t)){
			m.insert(t);
		}
		return *this;
	}

	int erase(const T& t){
		return m.erase(t);
	}

	int count(const T& t) const{
		return m.count(t);
	}

	Compare key_comp() const{
		return m.key_comp();
	}

	template <class InputIterator>
	void insert(InputIterator first, InputIterator last){
		while (first != last)
			insert(*first++);
	}

	typename If<ismulti, std::multiset<T, Compare>, std::set<T, Compare> >::Ret data() const{
		return typename If<ismulti, std::multiset<T, Compare>, std::set<T, Compare> >::Ret (m.begin(), m.end());
	}
};

#endif