vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/tti/detail/dplaceholder.hpp

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// (C) Copyright Edward Diener 2012,2013
// Use, modification and distribution are subject to 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).
#if !defined(BOOST_TTI_DETAIL_PLACEHOLDER_HPP)
#define BOOST_TTI_DETAIL_PLACEHOLDER_HPP
#include <boost/mpl/lambda.hpp>
#include <boost/mpl/not.hpp>
#include <boost/type_traits/is_same.hpp>
namespace boost
{
namespace tti
{
namespace detail
{
template <class BOOST_TTI_DETAIL_TP_T>
struct is_placeholder_expression :
boost::mpl::not_
<
boost::is_same
<
typename boost::mpl::lambda<BOOST_TTI_DETAIL_TP_T>::type,
BOOST_TTI_DETAIL_TP_T
>
>
{
};
}
}
}
#endif // BOOST_TTI_DETAIL_PLACEHOLDER_HPP