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Diffstat (limited to 'src/third_party/boost-1.69.0/boost/range/const_iterator.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/range/const_iterator.hpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/range/const_iterator.hpp b/src/third_party/boost-1.69.0/boost/range/const_iterator.hpp new file mode 100644 index 00000000000..727fdad0586 --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/range/const_iterator.hpp @@ -0,0 +1,76 @@ +// Boost.Range library +// +// Copyright Thorsten Ottosen 2003-2004. 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) +// +// For more information, see http://www.boost.org/libs/range/ +// + +#ifndef BOOST_RANGE_CONST_ITERATOR_HPP +#define BOOST_RANGE_CONST_ITERATOR_HPP + +#if defined(_MSC_VER) +# pragma once +#endif + +#include <boost/range/config.hpp> + +#include <boost/range/range_fwd.hpp> +#include <boost/range/detail/extract_optional_type.hpp> +#include <boost/type_traits/remove_const.hpp> +#include <boost/type_traits/remove_reference.hpp> +#include <cstddef> +#include <utility> + +namespace boost +{ + ////////////////////////////////////////////////////////////////////////// + // default + ////////////////////////////////////////////////////////////////////////// + + namespace range_detail + { + +BOOST_RANGE_EXTRACT_OPTIONAL_TYPE( const_iterator ) + +template< typename C > +struct range_const_iterator_helper + : extract_const_iterator<C> +{}; + +////////////////////////////////////////////////////////////////////////// +// pair +////////////////////////////////////////////////////////////////////////// + +template< typename Iterator > +struct range_const_iterator_helper<std::pair<Iterator,Iterator> > +{ + typedef Iterator type; +}; + +////////////////////////////////////////////////////////////////////////// +// array +////////////////////////////////////////////////////////////////////////// + +template< typename T, std::size_t sz > +struct range_const_iterator_helper< T[sz] > +{ + typedef const T* type; +}; + + } // namespace range_detail + +template<typename C, typename Enabler=void> +struct range_const_iterator + : range_detail::range_const_iterator_helper< + BOOST_DEDUCED_TYPENAME remove_reference<C>::type + > +{ +}; + +} // namespace boost + + +#endif |