unique.hh

Go to the documentation of this file.

#ifndef MISC_UNIQUE_HH
# define MISC_UNIQUE_HH

# include <set>
# include <iosfwd>

namespace misc
{

  template <typename T,
            class C = std::less<T>>
  class unique
  {
  protected:
    typedef std::set<T, C> object_set_type;
    typedef typename object_set_type::size_type object_size_type;

  public:
    typedef unique<T, C> value_type;
    typedef T data_type;

    unique(const data_type& s);
    virtual ~unique();

    virtual const data_type& object_get() const;
    virtual operator const data_type&() const;

    static object_size_type object_map_size();
    virtual value_type& operator=(const value_type& rhs);

    virtual bool operator==(const value_type& rhs) const;
    virtual bool operator!=(const value_type& rhs) const;
    virtual bool operator<(const value_type& rhs) const;
  protected:
    static object_set_type& object_set_instance();

    const data_type* obj_;
  };

  template <typename T, class C>
  std::ostream& operator<<(std::ostream& ostr, const unique<T, C>& u);
}

# include <misc/unique.hxx>

#endif // !MISC_UNIQUE_HH