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| author | Vlad Voicu <vladv@rosedu.org> | 2012-03-02 10:01:11 (GMT) |
|---|---|---|
| committer | Kevin Smith <git@kismith.co.uk> | 2012-03-09 15:04:05 (GMT) |
| commit | 1c8cd160b79b6bbcec72042bdb104ba530508a93 (patch) | |
| tree | cff302b81e74c557fbc9e30fd43144d981b613d0 /3rdParty/Boost/src/boost/proto/functional/fusion/at.hpp | |
| parent | 2944711aefec9a9dd66052440bc4f921910dd780 (diff) | |
| download | swift-contrib-1c8cd160b79b6bbcec72042bdb104ba530508a93.zip swift-contrib-1c8cd160b79b6bbcec72042bdb104ba530508a93.tar.bz2 | |
Added spirit to bundled boost
Diffstat (limited to '3rdParty/Boost/src/boost/proto/functional/fusion/at.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/proto/functional/fusion/at.hpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/functional/fusion/at.hpp b/3rdParty/Boost/src/boost/proto/functional/fusion/at.hpp new file mode 100644 index 0000000..328ac13 --- /dev/null +++ b/3rdParty/Boost/src/boost/proto/functional/fusion/at.hpp @@ -0,0 +1,56 @@ +/////////////////////////////////////////////////////////////////////////////// +/// \file at.hpp +/// Proto callables Fusion at +// +// Copyright 2010 Eric Niebler. 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_PROTO_FUNCTIONAL_FUSION_AT_HPP_EAN_11_27_2010 +#define BOOST_PROTO_FUNCTIONAL_FUSION_AT_HPP_EAN_11_27_2010 + +#include <boost/type_traits/add_const.hpp> +#include <boost/type_traits/remove_const.hpp> +#include <boost/type_traits/remove_reference.hpp> +#include <boost/fusion/include/at.hpp> +#include <boost/proto/proto_fwd.hpp> + +namespace boost { namespace proto { namespace functional +{ + /// \brief A PolymorphicFunctionObject type that invokes the + /// \c fusion::at() accessor on its argument. + /// + /// A PolymorphicFunctionObject type that invokes the + /// \c fusion::at() accessor on its argument. + struct at + { + BOOST_PROTO_CALLABLE() + + template<typename Sig> + struct result; + + template<typename This, typename Seq, typename N> + struct result<This(Seq, N)> + : fusion::result_of::at< + typename boost::remove_reference<Seq>::type + , typename boost::remove_const<typename boost::remove_reference<N>::type>::type + > + {}; + + template<typename Seq, typename N> + typename fusion::result_of::at<Seq, N>::type + operator ()(Seq &seq, N const & BOOST_PROTO_DISABLE_IF_IS_CONST(Seq)) const + { + return fusion::at<N>(seq); + } + + template<typename Seq, typename N> + typename fusion::result_of::at<Seq const, N>::type + operator ()(Seq const &seq, N const &) const + { + return fusion::at<N>(seq); + } + }; +}}} + +#endif |