From 8286ac511144e4f17d34eac9affb97e50646344a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Wed, 23 Jul 2014 15:25:44 +0200 Subject: Imported Upstream version 4.0.0 --- .../cutl/details/boost/iterator/interoperable.hpp | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 libcutl/cutl/details/boost/iterator/interoperable.hpp (limited to 'libcutl/cutl/details/boost/iterator/interoperable.hpp') diff --git a/libcutl/cutl/details/boost/iterator/interoperable.hpp b/libcutl/cutl/details/boost/iterator/interoperable.hpp new file mode 100644 index 0000000..1e76e21 --- /dev/null +++ b/libcutl/cutl/details/boost/iterator/interoperable.hpp @@ -0,0 +1,50 @@ +// (C) Copyright David Abrahams 2002. +// (C) Copyright Jeremy Siek 2002. +// (C) Copyright Thomas Witt 2002. +// 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_INTEROPERABLE_23022003THW_HPP +# define BOOST_INTEROPERABLE_23022003THW_HPP + +# include +# include + +# include + +# include // must appear last + +namespace cutl_details_boost +{ + + // + // Meta function that determines whether two + // iterator types are considered interoperable. + // + // Two iterator types A,B are considered interoperable if either + // A is convertible to B or vice versa. + // This interoperability definition is in sync with the + // standards requirements on constant/mutable container + // iterators (23.1 [lib.container.requirements]). + // + // For compilers that don't support is_convertible + // is_interoperable gives false positives. See comments + // on operator implementation for consequences. + // + template + struct is_interoperable +# ifdef BOOST_NO_STRICT_ITERATOR_INTEROPERABILITY + : mpl::true_ +# else + : mpl::or_< + is_convertible< A, B > + , is_convertible< B, A > > +# endif + { + }; + +} // namespace cutl_details_boost + +# include + +#endif // BOOST_INTEROPERABLE_23022003THW_HPP -- cgit v1.2.3