// The MIT License (MIT) // // Copyright (c) 2018 Mateusz Pusz // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. #include "units/si/velocity.h" #include using namespace units; template requires Velocity && Time void foo(V v, T t) { const auto distance = v * t; std::cout << "A car driving " << v.count() << " km/h in a time of " << t.count() << " minutes will pass " << quantity_cast>(distance).count() << " meters.\n"; } void foo() { using namespace units::literals; foo(60_kmph, 10.0_min); } int main() { try { foo(); } catch (const std::exception& ex) { std::cerr << "Unhandled std exception caught: " << ex.what() << '\n'; } catch (...) { std::cerr << "Unhandled unknown exception caught\n"; } }