Kenji Arai / mbed-os_TYBLE16

mbed-os5 only for TYBLE16

Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

platform/cxxsupport/mstd_tuple@1:9db0e321a9f4, 2019-12-31 (annotated)

Committer:
kenjiArai
Date:
Tue Dec 31 06:02:27 2019 +0000
Revision:
1:9db0e321a9f4
updated based on mbed-os5.15.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 1:9db0e321a9f4 1 /* mbed Microcontroller Library
kenjiArai 1:9db0e321a9f4 2 * Copyright (c) 2019 ARM Limited
kenjiArai 1:9db0e321a9f4 3 * SPDX-License-Identifier: Apache-2.0
kenjiArai 1:9db0e321a9f4 4 *
kenjiArai 1:9db0e321a9f4 5 * Licensed under the Apache License, Version 2.0 (the "License");
kenjiArai 1:9db0e321a9f4 6 * you may not use this file except in compliance with the License.
kenjiArai 1:9db0e321a9f4 7 * You may obtain a copy of the License at
kenjiArai 1:9db0e321a9f4 8 *
kenjiArai 1:9db0e321a9f4 9 * http://www.apache.org/licenses/LICENSE-2.0
kenjiArai 1:9db0e321a9f4 10 *
kenjiArai 1:9db0e321a9f4 11 * Unless required by applicable law or agreed to in writing, software
kenjiArai 1:9db0e321a9f4 12 * distributed under the License is distributed on an "AS IS" BASIS,
kenjiArai 1:9db0e321a9f4 13 * WITHOUT WARRANTIES LEOR CONDITIONS OF ANY KIND, either express or implied.
kenjiArai 1:9db0e321a9f4 14 * See the License for the specific language governing permissions and
kenjiArai 1:9db0e321a9f4 15 * limitations under the License.
kenjiArai 1:9db0e321a9f4 16 */
kenjiArai 1:9db0e321a9f4 17 #ifndef MSTD_TUPLE_
kenjiArai 1:9db0e321a9f4 18 #define MSTD_TUPLE_
kenjiArai 1:9db0e321a9f4 19
kenjiArai 1:9db0e321a9f4 20 /* <mstd_tuple>
kenjiArai 1:9db0e321a9f4 21 *
kenjiArai 1:9db0e321a9f4 22 * - includes toolchain's <tuple>
kenjiArai 1:9db0e321a9f4 23 * - For all toolchains, C++17 backports:
kenjiArai 1:9db0e321a9f4 24 * - mstd::apply
kenjiArai 1:9db0e321a9f4 25 * - mstd::make_from_tuple
kenjiArai 1:9db0e321a9f4 26 */
kenjiArai 1:9db0e321a9f4 27
kenjiArai 1:9db0e321a9f4 28 #include <tuple>
kenjiArai 1:9db0e321a9f4 29
kenjiArai 1:9db0e321a9f4 30 #if __cpp_lib_apply < 201603 || __cpp_lib_make_from_tuple < 201606
kenjiArai 1:9db0e321a9f4 31 #include <mstd_utility> // integer_sequence
kenjiArai 1:9db0e321a9f4 32 #endif
kenjiArai 1:9db0e321a9f4 33 #if __cpp_lib_apply < 201603
kenjiArai 1:9db0e321a9f4 34 #include <mstd_functional> // invoke
kenjiArai 1:9db0e321a9f4 35 #endif
kenjiArai 1:9db0e321a9f4 36
kenjiArai 1:9db0e321a9f4 37 namespace mstd {
kenjiArai 1:9db0e321a9f4 38 using std::tuple;
kenjiArai 1:9db0e321a9f4 39 using std::ignore;
kenjiArai 1:9db0e321a9f4 40 using std::make_tuple;
kenjiArai 1:9db0e321a9f4 41 using std::forward_as_tuple;
kenjiArai 1:9db0e321a9f4 42 using std::tie;
kenjiArai 1:9db0e321a9f4 43 using std::tuple_cat;
kenjiArai 1:9db0e321a9f4 44
kenjiArai 1:9db0e321a9f4 45 // [tuple.apply]
kenjiArai 1:9db0e321a9f4 46 #if __cpp_lib_apply >= 201603
kenjiArai 1:9db0e321a9f4 47 using std::apply;
kenjiArai 1:9db0e321a9f4 48 #else
kenjiArai 1:9db0e321a9f4 49 namespace impl {
kenjiArai 1:9db0e321a9f4 50 template <class F, class Tuple, size_t... I>
kenjiArai 1:9db0e321a9f4 51 invoke_result_t<F, tuple_element_t<I, Tuple>...> apply(F&& f, Tuple&& t, std::index_sequence<I...>)
kenjiArai 1:9db0e321a9f4 52 {
kenjiArai 1:9db0e321a9f4 53 return mstd::invoke(std::forward<F>(f), std::get<I>(std::forward<Tuple>(t))...);
kenjiArai 1:9db0e321a9f4 54 }
kenjiArai 1:9db0e321a9f4 55 }
kenjiArai 1:9db0e321a9f4 56
kenjiArai 1:9db0e321a9f4 57 // apply<F, Tuple> - works also for tuple-like objects such as array or pair
kenjiArai 1:9db0e321a9f4 58 // user-defined types can specialize std::get and std::tuple_size to make this work
kenjiArai 1:9db0e321a9f4 59 template <class F, class Tuple>
kenjiArai 1:9db0e321a9f4 60 auto apply(F&& f, Tuple&& t) ->
kenjiArai 1:9db0e321a9f4 61 decltype(impl::apply(std::forward<F>(f), std::forward<Tuple>(t), std::make_index_sequence<tuple_size<remove_reference_t<Tuple>>::value>{}))
kenjiArai 1:9db0e321a9f4 62 {
kenjiArai 1:9db0e321a9f4 63 return impl::apply(std::forward<F>(f), std::forward<Tuple>(t),
kenjiArai 1:9db0e321a9f4 64 std::make_index_sequence<std::tuple_size<std::remove_reference_t<Tuple>>::value>{});
kenjiArai 1:9db0e321a9f4 65 }
kenjiArai 1:9db0e321a9f4 66 #endif
kenjiArai 1:9db0e321a9f4 67
kenjiArai 1:9db0e321a9f4 68 #if __cpp_lib_make_from_tuple >= 201606
kenjiArai 1:9db0e321a9f4 69 using std::make_from_tuple;
kenjiArai 1:9db0e321a9f4 70 #else
kenjiArai 1:9db0e321a9f4 71 namespace impl {
kenjiArai 1:9db0e321a9f4 72 template <class T, class Tuple, size_t... I>
kenjiArai 1:9db0e321a9f4 73 T make_from_tuple(Tuple&& t, std::index_sequence<I...>)
kenjiArai 1:9db0e321a9f4 74 {
kenjiArai 1:9db0e321a9f4 75 return T(std::get<I>(std::forward<Tuple>(t))...);
kenjiArai 1:9db0e321a9f4 76 }
kenjiArai 1:9db0e321a9f4 77 }
kenjiArai 1:9db0e321a9f4 78
kenjiArai 1:9db0e321a9f4 79 template <class T, class Tuple>
kenjiArai 1:9db0e321a9f4 80 T make_from_tuple(Tuple&& t)
kenjiArai 1:9db0e321a9f4 81 {
kenjiArai 1:9db0e321a9f4 82 return impl::make_from_tuple<T>(std::forward<Tuple>(t),
kenjiArai 1:9db0e321a9f4 83 std::make_index_sequence<std::tuple_size<std::remove_reference_t<Tuple>>::value>{});
kenjiArai 1:9db0e321a9f4 84 }
kenjiArai 1:9db0e321a9f4 85 #endif
kenjiArai 1:9db0e321a9f4 86
kenjiArai 1:9db0e321a9f4 87 using std::tuple_size;
kenjiArai 1:9db0e321a9f4 88 using std::tuple_element;
kenjiArai 1:9db0e321a9f4 89 using std::tuple_element_t;
kenjiArai 1:9db0e321a9f4 90 using std::get;
kenjiArai 1:9db0e321a9f4 91
kenjiArai 1:9db0e321a9f4 92 } // namespace mstd
kenjiArai 1:9db0e321a9f4 93
kenjiArai 1:9db0e321a9f4 94 #endif // MSTD_TUPLE_