diff -r 000000000000 -r 044383f39525 imgtools/imglib/boostlibrary/boost/iterator/is_readable_iterator.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/imgtools/imglib/boostlibrary/boost/iterator/is_readable_iterator.hpp Tue Oct 27 16:36:35 2009 +0000 @@ -0,0 +1,108 @@ +// Copyright David Abrahams 2003. Use, modification and distribution is +// subject to the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +#ifndef IS_READABLE_ITERATOR_DWA2003112_HPP +# define IS_READABLE_ITERATOR_DWA2003112_HPP + +#include +#include + +#include +#include + +// should be the last #include +#include + +#ifndef BOOST_NO_IS_CONVERTIBLE + +namespace boost { + +namespace detail +{ + // Guts of is_readable_iterator. Value is the iterator's value_type + // and the result is computed in the nested rebind template. + template + struct is_readable_iterator_impl + { + static char tester(Value&, int); + static char (& tester(any_conversion_eater, ...) )[2]; + + template + struct rebind + { + static It& x; + + BOOST_STATIC_CONSTANT( + bool + , value = ( + sizeof( + is_readable_iterator_impl::tester(*x, 1) + ) == 1 + ) + ); + }; + }; + +#undef BOOST_READABLE_PRESERVER + + // + // void specializations to handle std input and output iterators + // + template <> + struct is_readable_iterator_impl + { + template + struct rebind : boost::mpl::false_ + {}; + }; + +#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS + template <> + struct is_readable_iterator_impl + { + template + struct rebind : boost::mpl::false_ + {}; + }; + + template <> + struct is_readable_iterator_impl + { + template + struct rebind : boost::mpl::false_ + {}; + }; + + template <> + struct is_readable_iterator_impl + { + template + struct rebind : boost::mpl::false_ + {}; + }; +#endif + + // + // This level of dispatching is required for Borland. We might save + // an instantiation by removing it for others. + // + template + struct is_readable_iterator_impl2 + : is_readable_iterator_impl< + BOOST_DEDUCED_TYPENAME boost::detail::iterator_traits::value_type const + >::template rebind + {}; +} // namespace detail + +// Define the trait with full mpl lambda capability and various broken +// compiler workarounds +BOOST_TT_AUX_BOOL_TRAIT_DEF1( + is_readable_iterator,T,::boost::detail::is_readable_iterator_impl2::value) + +} // namespace boost + +#endif + +#include + +#endif // IS_READABLE_ITERATOR_DWA2003112_HPP