Sha256: 2c982189cfa67c13fd73dca0eecd06f9bbf0950ef8749b780cd35217e7539567
Contents?: true
Size: 1.34 KB
Versions: 10
Compression:
Stored size: 1.34 KB
Contents
#ifndef BOOST_MP11_DETAIL_MP_COPY_IF_HPP_INCLUDED #define BOOST_MP11_DETAIL_MP_COPY_IF_HPP_INCLUDED // Copyright 2015-2019 Peter Dimov. // // 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 <boost/mp11/utility.hpp> #include <boost/mp11/detail/mp_list.hpp> #include <boost/mp11/detail/mp_append.hpp> #include <boost/mp11/detail/config.hpp> namespace boost { namespace mp11 { // mp_copy_if<L, P> namespace detail { template<class L, template<class...> class P> struct mp_copy_if_impl { }; template<template<class...> class L, class... T, template<class...> class P> struct mp_copy_if_impl<L<T...>, P> { #if BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1920 ) template<class U> struct _f { using type = mp_if<P<U>, mp_list<U>, mp_list<>>; }; using type = mp_append<L<>, typename _f<T>::type...>; #else template<class U> using _f = mp_if<P<U>, mp_list<U>, mp_list<>>; using type = mp_append<L<>, _f<T>...>; #endif }; } // namespace detail template<class L, template<class...> class P> using mp_copy_if = typename detail::mp_copy_if_impl<L, P>::type; template<class L, class Q> using mp_copy_if_q = mp_copy_if<L, Q::template fn>; } // namespace mp11 } // namespace boost #endif // #ifndef BOOST_MP11_DETAIL_MP_COPY_IF_HPP_INCLUDED
Version data entries
10 entries across 10 versions & 1 rubygems