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src/stl/_bidirectional_iterator.hpp

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#ifndef _INSTIGATE_OPEN_SOURCE_INTERNAL_HEADER_IN_CONCEPT
#error This is an internal header file used to implement Instigate STL.\
        It should never be included directly by a program.
#endif

#ifndef INSTIGATE_STL_BIDIRECTIONAL_ITERATOR_HPP
#define INSTIGATE_STL_BIDIRECTIONAL_ITERATOR_HPP

// Headers from this project
#include "_forward_iterator.hpp"
#include "iterator_interface.hpp"

// Headers from other projects

// Headers from standard libraries

// Forward declarations
namespace instigate {
        namespace stl {
                namespace bidirectional_iterator {
                        struct tag;
                        template <typename T> struct interface;
                        template <typename T> struct requirements;
                } 
        }
} 

struct instigate::stl::bidirectional_iterator::tag 
        : instigate::stl::forward_iterator::tag
{
};

template <typename T>
struct instigate::stl::bidirectional_iterator::interface 
        : instigate::stl::forward_iterator::interface<T>
{
        static void decrement(T& a)
        {
                instigate::stl::interface<T>::decrement(a);
        }
};

template <typename T>
struct instigate::stl::bidirectional_iterator::requirements 
        : instigate::stl::forward_iterator::requirements<T>
{
        static void require_decrement(T& a)
        {
                instigate::stl::bidirectional_iterator::interface<T>::
			decrement(a);
        }

        
        requirements()
        {
                (void)require_decrement;
        }
};

// vim:et:tabstop=8:shiftwidth=8:cindent:fo=croq:textwidth=80:

#endif // INSTIGATE_STL_BIDIRECTIONAL_ITERATOR_HPP

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