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Diffstat (limited to '3rdParty/Boost/src/boost/proto/functional/range/rbegin.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/proto/functional/range/rbegin.hpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/functional/range/rbegin.hpp b/3rdParty/Boost/src/boost/proto/functional/range/rbegin.hpp new file mode 100644 index 0000000..ecb7db9 --- /dev/null +++ b/3rdParty/Boost/src/boost/proto/functional/range/rbegin.hpp @@ -0,0 +1,51 @@ +/////////////////////////////////////////////////////////////////////////////// +/// \file rbegin.hpp +/// Proto callables for boost::rbegin() +// +// Copyright 2012 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_RANGE_RBEGIN_HPP_EAN_27_08_2012 +#define BOOST_PROTO_FUNCTIONAL_RANGE_RBEGIN_HPP_EAN_27_08_2012 + +#include <boost/range/rbegin.hpp> +#include <boost/proto/proto_fwd.hpp> + +namespace boost { namespace proto { namespace functional +{ + + // A PolymorphicFunctionObject that wraps boost::rbegin() + struct rbegin + { + BOOST_PROTO_CALLABLE() + + template<typename Sig> + struct result; + + template<typename This, typename Rng> + struct result<This(Rng)> + : boost::range_reverse_iterator<Rng const> + {}; + + template<typename This, typename Rng> + struct result<This(Rng &)> + : boost::range_reverse_iterator<Rng> + {}; + + template<typename Rng> + typename boost::range_reverse_iterator<Rng>::type operator()(Rng &rng) const + { + return boost::rbegin(rng); + } + + template<typename Rng> + typename boost::range_reverse_iterator<Rng const>::type operator()(Rng const &rng) const + { + return boost::rbegin(rng); + } + }; + +}}} + +#endif |