1*06c3fb27SDimitry Andric //===----------------------------------------------------------------------===// 2*06c3fb27SDimitry Andric // 3*06c3fb27SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*06c3fb27SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*06c3fb27SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*06c3fb27SDimitry Andric // 7*06c3fb27SDimitry Andric //===----------------------------------------------------------------------===// 8*06c3fb27SDimitry Andric 9*06c3fb27SDimitry Andric #ifndef _LIBCPP___TUPLE_MAKE_TUPLE_INDICES_H 10*06c3fb27SDimitry Andric #define _LIBCPP___TUPLE_MAKE_TUPLE_INDICES_H 11*06c3fb27SDimitry Andric 12*06c3fb27SDimitry Andric #include <__config> 13*06c3fb27SDimitry Andric #include <__utility/integer_sequence.h> 14*06c3fb27SDimitry Andric #include <cstddef> 15*06c3fb27SDimitry Andric 16*06c3fb27SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17*06c3fb27SDimitry Andric # pragma GCC system_header 18*06c3fb27SDimitry Andric #endif 19*06c3fb27SDimitry Andric 20*06c3fb27SDimitry Andric #ifndef _LIBCPP_CXX03_LANG 21*06c3fb27SDimitry Andric 22*06c3fb27SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 23*06c3fb27SDimitry Andric 24*06c3fb27SDimitry Andric template <size_t...> struct __tuple_indices {}; 25*06c3fb27SDimitry Andric 26*06c3fb27SDimitry Andric template <size_t _Ep, size_t _Sp = 0> 27*06c3fb27SDimitry Andric struct __make_tuple_indices 28*06c3fb27SDimitry Andric { 29*06c3fb27SDimitry Andric static_assert(_Sp <= _Ep, "__make_tuple_indices input error"); 30*06c3fb27SDimitry Andric typedef __make_indices_imp<_Ep, _Sp> type; 31*06c3fb27SDimitry Andric }; 32*06c3fb27SDimitry Andric 33*06c3fb27SDimitry Andric _LIBCPP_END_NAMESPACE_STD 34*06c3fb27SDimitry Andric 35*06c3fb27SDimitry Andric #endif // _LIBCPP_CXX03_LANG 36*06c3fb27SDimitry Andric 37*06c3fb27SDimitry Andric #endif // _LIBCPP___TUPLE_MAKE_TUPLE_INDICES_H 38