1 /* 2 * Copyright 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <type_traits> 20 21 namespace android::ftl::details { 22 23 // TODO: Replace with std::remove_cvref_t in C++20. 24 template <typename U> 25 using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<U>>; 26 27 template <typename T> 28 constexpr bool is_bool_v = std::is_same_v<remove_cvref_t<T>, bool>; 29 30 template <typename T> 31 constexpr bool is_char_v = std::is_same_v<remove_cvref_t<T>, char>; 32 33 } // namespace android::ftl::details 34