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Contents
// Copyright Cromwell D. Enage 2019.
// 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_PARAMETER_AUX_ALWAYS_TRUE_PREDICATE_HPP
#define BOOST_PARAMETER_AUX_ALWAYS_TRUE_PREDICATE_HPP
#include <boost/parameter/config.hpp>
#include <boost/mpl/bool.hpp>
#if defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
#include <boost/mp11/integral.hpp>
#endif
#else
#include <boost/mpl/always.hpp>
#endif
namespace boost { namespace parameter { namespace aux {
#if defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
struct always_true_predicate
{
template <typename ...>
struct apply
{
typedef ::boost::mpl::true_ type;
};
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
template <typename ...>
using fn = ::boost::mp11::mp_true;
#endif
};
#else
typedef ::boost::mpl::always< ::boost::mpl::true_> always_true_predicate;
#endif // BOOST_NO_CXX11_VARIADIC_TEMPLATES
}}} // namespace boost::parameter::aux
#endif // include guard
Version data entries
14 entries across 14 versions & 1 rubygems