52 lines
1.4 KiB
Plaintext
52 lines
1.4 KiB
Plaintext
///////////////////////////////////////////////////////////////////////////////
|
|
/// \file rend.hpp
|
|
/// Proto callables for boost::rend()
|
|
//
|
|
// 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_REND_HPP_EAN_27_08_2012
|
|
#define BOOST_PROTO_FUNCTIONAL_RANGE_REND_HPP_EAN_27_08_2012
|
|
|
|
#include <boost/range/rend.hpp>
|
|
#include <boost/proto/proto_fwd.hpp>
|
|
|
|
namespace boost { namespace proto { namespace functional
|
|
{
|
|
|
|
// A PolymorphicFunctionObject that wraps boost::rend()
|
|
struct rend
|
|
{
|
|
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::rend(rng);
|
|
}
|
|
|
|
template<typename Rng>
|
|
typename boost::range_reverse_iterator<Rng const>::type operator()(Rng const &rng) const
|
|
{
|
|
return boost::rend(rng);
|
|
}
|
|
};
|
|
|
|
}}}
|
|
|
|
#endif
|