You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
49 lines
1.7 KiB
49 lines
1.7 KiB
/////////////////////////////////////////////////////////////////////////////// |
|
/// \file push_front.hpp |
|
/// Proto callables Fusion push_front |
|
// |
|
// 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_PUSH_FRONT_HPP_EAN_11_27_2010 |
|
#define BOOST_PROTO_FUNCTIONAL_FUSION_PUSH_FRONT_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/push_front.hpp> |
|
#include <boost/proto/proto_fwd.hpp> |
|
|
|
namespace boost { namespace proto { namespace functional |
|
{ |
|
/// \brief A PolymorphicFunctionObject type that invokes the |
|
/// \c fusion::push_front() algorithm on its argument. |
|
/// |
|
/// A PolymorphicFunctionObject type that invokes the |
|
/// \c fusion::push_front() algorithm on its argument. |
|
struct push_front |
|
{ |
|
BOOST_PROTO_CALLABLE() |
|
|
|
template<typename Sig> |
|
struct result; |
|
|
|
template<typename This, typename Seq, typename T> |
|
struct result<This(Seq, T)> |
|
: fusion::result_of::push_front< |
|
typename boost::add_const<typename boost::remove_reference<Seq>::type>::type |
|
, typename boost::remove_const<typename boost::remove_reference<T>::type>::type |
|
> |
|
{}; |
|
|
|
template<typename Seq, typename T> |
|
typename fusion::result_of::push_front<Seq const, T>::type |
|
operator ()(Seq const &seq, T const &t) const |
|
{ |
|
return fusion::push_front(seq, t); |
|
} |
|
}; |
|
}}} |
|
|
|
#endif
|
|
|