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Contents
// Copyright (c) 2020-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_PEGTL_TYPE_LIST_HPP
#define TAO_PEGTL_TYPE_LIST_HPP
#include <cstddef>
#include "config.hpp"
namespace TAO_PEGTL_NAMESPACE
{
template< typename... Ts >
struct type_list
{
static constexpr std::size_t size = sizeof...( Ts );
};
using empty_list = type_list<>;
template< typename... >
struct type_list_concat;
template<>
struct type_list_concat<>
{
using type = empty_list;
};
template< typename... Ts >
struct type_list_concat< type_list< Ts... > >
{
using type = type_list< Ts... >;
};
template< typename... T0s, typename... T1s, typename... Ts >
struct type_list_concat< type_list< T0s... >, type_list< T1s... >, Ts... >
: type_list_concat< type_list< T0s..., T1s... >, Ts... >
{};
template< typename... Ts >
using type_list_concat_t = typename type_list_concat< Ts... >::type;
} // namespace TAO_PEGTL_NAMESPACE
#endif
Version data entries
13 entries across 13 versions & 1 rubygems