This file is indexed.

/usr/include/bobcat/foreach is in libbobcat-dev 2.20.01-1.

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#ifndef INCLUDED_BOBCAT_FOREACH_
#define INCLUDED_BOBCAT_FOREACH_

#include <bobcat/typetrait>

namespace FBB
{

template <bool derefenceable, typename Iter, typename Function>
struct FE3
{
    inline void operator()(Iter begin, Iter end, Function &fun)
    {
        for ( ; begin != end; )
            fun(begin++);
    }
};

template <typename Iter, typename Function>
struct FE3<true, Iter, Function>
{
    inline void operator()(Iter begin, Iter end, Function &fun)
    {
        for ( ; begin != end; )
            fun(*begin++);
    }
};


// Generic case: anything that's not specialized. 
// In practice: not dereferenceable, object reference
template <bool derefenceable, typename Iter, typename Class, typename Member>
struct FE4
{
    inline void operator()(Iter begin, Iter end, Class &obj, Member member)
    {
        for ( ; begin != end; )
            (obj.*member)(begin++);
    }
};

// Specialization: dereferenceable, object reference
template <typename Iter, typename Class, typename Member>
struct FE4<true, Iter, Class, Member>
{
    inline void operator()(Iter begin, Iter end, Class &obj, Member member)
    {
        for ( ; begin != end; )
            (obj.*member)(*begin++);
    }
};


// Specialization: dereferenceable, object pointer
template <typename Iter, typename Class, typename Member>
struct FE4<true, Iter, Class *, Member>
{
    inline void operator()(Iter begin, Iter end, Class *obj, Member member)
    {
        for ( ; begin != end; )
            (obj->*member)(*begin++);
    }
};


// Specialization: Not dereferenceable, object pointer
template <typename Iter, typename Class, typename Member>
struct FE4<false, Iter, Class *, Member>
{
    inline void operator()(Iter begin, Iter end, Class *obj, Member member)
    {
        for ( ; begin != end; )
            (obj->*member)(begin++);
    }
};


template <typename Iter, typename Function>
void for_each( Iter begin, Iter end, Function function)
{
    FE3<TypeTrait<Iter>::isDereferenceable, Iter, Function>()
                                                    (begin, end, function);
}

template<typename Iter, typename Object, typename Member>
inline void for_each(Iter begin, Iter const &end, 
                     Object &object, Member member)
{
    FE4<TypeTrait<Iter>::isDereferenceable, Iter, Object, Member>()
                                            (begin, end, object, member);
}

template<typename Iter, typename Object, typename Member>
inline void for_each(Iter begin, Iter const &end, 
                     Object *object, Member member)
{
    FE4<TypeTrait<Iter>::isDereferenceable, Iter, Object *, Member>()
                                            (begin, end, object, member);
}

} // FBB

#endif