/usr/include/boost/metaparse/v1
Edit: /usr/include/boost/metaparse/v1/accept_when.hpp (1434B)
#ifndef BOOST_METAPARSE_V1_ACCEPT_WHEN_HPP
#define BOOST_METAPARSE_V1_ACCEPT_WHEN_HPP
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2009 - 2010.
// 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)
#include
#include
#include
#include
#include
namespace boost
{
namespace metaparse
{
namespace v1
{
template
struct accept_when
{
private:
struct unchecked
{
template
struct apply :
boost::mpl::eval_if<
typename Pred::template apply<
typename get_result >::type
>::type,
typename P::template apply,
reject
>
{};
};
public:
typedef accept_when type;
template
struct apply :
boost::mpl::if_<
is_error >,
P,
unchecked
>::type::template apply<
S,
Pos
>
{};
};
}
}
}
#endif