/*******************************************************************************++  LEDA 3.5+++  dic_impl.h+++  Copyright (c) 1995, 1996, 1997  by  LEDA Software GmbH+  Postfach 151101, 66041 Saarbruecken, Germany+  All rights reserved.+ *******************************************************************************/typedef int dic_impl_item;class __exportC dic_impl {private:virtual int  key_type_id()       const = 0;virtual int  cmp(GenPtr, GenPtr) const = 0;virtual void clear_key(GenPtr&)  const = 0;virtual void clear_inf(GenPtr&)  const = 0;virtual void copy_key(GenPtr&)   const = 0;virtual void copy_inf(GenPtr&)   const = 0;//// private data//public:typedef dic_impl_item item; dic_impl(); dic_impl(const dic_impl&);~dic_impl();dic_impl& operator=(const dic_impl&);GenPtr key(dic_impl_item p)  const;GenPtr inf(dic_impl_item p)  const;dic_impl_item insert(GenPtr,GenPtr);dic_impl_item lookup(GenPtr)  const;dic_impl_item first_item()    const;dic_impl_item next_item(dic_impl_item) const;void    change_inf(dic_impl_item,GenPtr);void    del_item(dic_impl_item);void    del(GenPtr);void    clear();int     size() const;};