Iterator.h

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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
 
#ifndef ICE_UTIL_ITERATOR_H
#define ICE_UTIL_ITERATOR_H
 
#include <iterator>
 
namespace IceUtilInternal
{
 
template<class ForwardIterator>
inline typename ForwardIterator::difference_type
distance(ForwardIterator first, ForwardIterator last)
{
//
// Work-around for a limitation in the standard library provided
// with the Sun C++ 5.x compilers
#if defined(__SUNPRO_CC) && defined(_RWSTD_NO_CLASS_PARTIAL_SPEC)
 
    ForwardIterator::difference_type result = 0;
    std::distance(first, last, result);
    return result;
#else
    return ::std::distance(first, last);
#endif
}
 
}
#endif