Swiftdiff options
| author | Kevin Smith <git@kismith.co.uk> | 2013-01-12 18:41:34 (GMT) |
|---|---|---|
| committer | Swift Review <review@swift.im> | 2013-01-13 10:36:26 (GMT) |
| commit | f3bc816af1b0d61452de973963e453bf3b3f95a2 (patch) | |
| tree | e895f8afa3580e6cff6f5ad2017d45bf147a17c2 /3rdParty/Boost/src/boost/fusion/view/detail | |
| parent | 188fc285c6555eadd3c9d50ab8a94adcade78d89 (diff) | |
| download | swift-f3bc816af1b0d61452de973963e453bf3b3f95a2.zip swift-f3bc816af1b0d61452de973963e453bf3b3f95a2.tar.bz2 | |
Adding in the spirit Boost stuff
Change-Id: I4f127ce61667243b64081b0aa309028d5077045f
Diffstat (limited to '3rdParty/Boost/src/boost/fusion/view/detail')
| -rw-r--r-- | 3rdParty/Boost/src/boost/fusion/view/detail/strictest_traversal.hpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/view/detail/strictest_traversal.hpp b/3rdParty/Boost/src/boost/fusion/view/detail/strictest_traversal.hpp new file mode 100644 index 0000000..7b7c976 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/view/detail/strictest_traversal.hpp @@ -0,0 +1,76 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + Copyright (c) 2006 Dan Marsden + + 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) +==============================================================================*/ +#if !defined(FUSION_STRICTEST_TRAVERSAL_20060123_2101) +#define FUSION_STRICTEST_TRAVERSAL_20060123_2101 + +#include <boost/config.hpp> +#include <boost/mpl/or.hpp> +#include <boost/mpl/if.hpp> +#include <boost/fusion/support/category_of.hpp> +#include <boost/fusion/mpl.hpp> +#include <boost/fusion/algorithm/iteration/fold.hpp> +#include <boost/type_traits/remove_reference.hpp> +#include <boost/type_traits/is_convertible.hpp> + +namespace boost { namespace fusion +{ + struct forward_traversal_tag; + struct bidirectional_traversal_tag; + struct random_access_traversal_tag; + + namespace detail + { + template<typename Tag1, typename Tag2, + bool Tag1Stricter = boost::is_convertible<Tag2,Tag1>::value> + struct stricter_traversal + { + typedef Tag1 type; + }; + + template<typename Tag1, typename Tag2> + struct stricter_traversal<Tag1,Tag2,false> + { + typedef Tag2 type; + }; + + struct strictest_traversal_impl + { + template<typename Sig> + struct result; + + template<typename StrictestSoFar, typename Next> + struct result<strictest_traversal_impl(StrictestSoFar, Next)> + { + typedef typename remove_reference<Next>::type next_value; + typedef typename remove_reference<StrictestSoFar>::type strictest_so_far; + + typedef strictest_so_far tag1; + typedef typename traits::category_of<next_value>::type tag2; + + typedef typename stricter_traversal<tag1,tag2>::type type; + }; + + // never called, but needed for decltype-based result_of (C++0x) +#ifndef BOOST_NO_RVALUE_REFERENCES + template<typename StrictestSoFar, typename Next> + typename result<strictest_traversal_impl(StrictestSoFar, Next)>::type + operator()(StrictestSoFar&&, Next&&) const; +#endif + }; + + template<typename Sequence> + struct strictest_traversal + : result_of::fold< + Sequence, fusion::random_access_traversal_tag, + strictest_traversal_impl> + {}; + + } +}} + +#endif |