/* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #pragma once #include <chrono> #if defined(_WIN32) // We don't have C++14 on Windows yet. // Reimplement std::chrono_literals ourselves until we do. // Silence the following warning (which gets promoted to an error): // error: literal operator suffixes not preceded by ‘_’ are reserved for future standardization #pragma GCC system_header constexpr std::chrono::seconds operator"" s(unsigned long long s) { return std::chrono::seconds(s); } constexpr std::chrono::duration<long double> operator"" s(long double s) { return std::chrono::duration<long double>(s); } constexpr std::chrono::milliseconds operator"" ms(unsigned long long ms) { return std::chrono::milliseconds(ms); } constexpr std::chrono::duration<long double, std::milli> operator"" ms(long double ms) { return std::chrono::duration<long double, std::milli>(ms); } #else using namespace std::chrono_literals; #endif