Template specialization help

From:
Adrian <nntp@bluedreamer.com>
Newsgroups:
comp.lang.c++
Date:
Fri, 18 Feb 2011 17:50:40 -0700
Message-ID:
<ijn454$kb7$1@news.eternal-september.org>
I am trying to write a specialized version of print that will
automagically work out that the container is a pointer of containers and
does a double ref on each iterator.

It feels possible but I cannot think of a way to do it. My initial
thoughts where to use the STL contains ::value_type and ::const_pointer
typedefs

Happy to modify template params to pass enough information

Anyone done this, or got any ideas on how

Thanks

TIA

Adrian

#include <iostream>
#include <vector>

template<class T>
void print(T first, T last)
{
    for(T i=first; i!=last; ++i)
       std::cout << (*i) << std::endl;
}

#if 0
template<>
void print(T first, T last)
{
    for(T i=first; i!=last; ++i)
       std::cout << (**i) << std::endl;
}
#endif
int main(int argc, char *argv[])
{
    std::vector<int> intlist;
    std::vector<int*> intptrlist;

    for(int i=0; i<10; ++i)
    {
       intlist.push_back(i);
       intptrlist.push_back(new int(i));
    }

    print(intlist.begin(), intlist.end());
    print(intptrlist.begin(), intptrlist.end());

    return 0;
}

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