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/*==============================================================================
Copyright (c) 2005-2010 Joel de Guzman
Copyright (c) 2011 Thomas Heller
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_PHOENIX_CORE_CALL_HPP
#define BOOST_PHOENIX_CORE_CALL_HPP
#include <boost/phoenix/core/limits.hpp>
#include <boost/phoenix/core/environment.hpp>
#include <boost/proto/proto_fwd.hpp>
#include <boost/proto/traits.hpp>
#include <boost/proto/transform/impl.hpp>
namespace boost { namespace phoenix
{
namespace detail
{
template <
typename Fun
, typename Expr
, typename State
, typename Data
, long Arity = proto::arity_of<Expr>::value
>
struct call_impl;
template <typename Fun, typename Expr, typename State, typename Data>
struct call_impl<Fun, Expr, State, Data, 0>
: proto::transform_impl<Expr, State, Data>
{
typedef
typename boost::phoenix::result_of::context<State, Data>::type
context_type;
typedef
typename boost::result_of<
Fun(Expr, context_type)
>::type
result_type;
result_type operator()(
typename call_impl::expr_param e
, typename call_impl::state_param s
, typename call_impl::data_param d
) const
{
return Fun()(e, boost::phoenix::context(s, d));
}
};
}
template <typename Fun, typename Dummy = void>
struct call
: proto::transform<call<Fun> >
{
template <typename Expr, typename State, typename Data>
struct impl
: detail::call_impl<Fun, Expr, State, Data>
{};
};
#include <boost/phoenix/core/detail/call.hpp>
}
namespace proto
{
template <typename Fun, typename Dummy>
struct is_callable<phoenix::call<Fun, Dummy> > : mpl::true_ {};
}
}
#endif
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Swift