123456789101112131415161718192021222324252627282930313233343536 |
- ///////////////////////////////////////////////////////////////////////////////
- // Copyright 2015 John Maddock. Distributed under 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 BOOST_IS_BYTE_CONTAINER_HPP
- #define BOOST_IS_BYTE_CONTAINER_HPP
- #include <iterator>
- #include <boost/mpl/has_xxx.hpp>
- #include <boost/type_traits/is_integral.hpp>
- #include <boost/type_traits/remove_cv.hpp>
- namespace boost { namespace multiprecision { namespace detail {
- BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_member_const_iterator, const_iterator, false)
- template <class C, bool b>
- struct is_byte_container_imp
- {
- // Note: Don't use C::value_type as this is a rather widespread typedef, even for non-range types
- typedef typename boost::remove_cv<typename std::iterator_traits<typename C::const_iterator>::value_type>::type container_value_type;
- static const bool value = boost::is_integral<container_value_type>::value && (sizeof(container_value_type) == 1);
- };
- template <class C>
- struct is_byte_container_imp<C, false> : public boost::false_type
- {};
- template <class C>
- struct is_byte_container : public is_byte_container_imp<C, has_member_const_iterator<C>::value>
- {};
- }}} // namespace boost::multiprecision::detail
- #endif // BOOST_IS_BYTE_CONTAINER_HPP
|