// Licensed under the MIT License . // SPDX-License-Identifier: MIT // Copyright (c) 2020 - 2022 Daniil Goncharov . // // 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 #include enum class Color : int { RED = -10, BLUE = 0, GREEN = 10 }; // Сustom definitions of names for enum. // Specialization of `enum_name` must be injected in `namespace magic_enum::customize`. template <> constexpr magic_enum::customize::customize_t magic_enum::customize::enum_name(Color value) noexcept { switch (value) { case Color::RED: return "the red color"; case Color::BLUE: return "The BLUE"; case Color::GREEN: return invalid_tag; } return default_tag; } enum class Numbers : int { One, Two, Three }; // Сustom definitions of names for enum. // Specialization of `enum_name` must be injected in `namespace magic_enum::customize`. template <> constexpr magic_enum::customize::customize_t magic_enum::customize::enum_name(Numbers value) noexcept { switch (value) { case Numbers::One: return "the one"; default: return default_tag; } } int main() { std::cout << magic_enum::enum_name(Color::RED) << std::endl; // 'the red color' std::cout << magic_enum::enum_name(Color::BLUE) << std::endl; // 'The BLUE' std::cout << magic_enum::enum_name(Color::GREEN) << std::endl; // '' std::cout << std::boolalpha; std::cout << (magic_enum::enum_cast("the red color").value() == Color::RED) << std::endl; // true std::cout << magic_enum::enum_name(Numbers::One) << std::endl; // 'the one' std::cout << magic_enum::enum_name(Numbers::Two) << std::endl; // 'Two' std::cout << magic_enum::enum_name(Numbers::Three) << std::endl; // 'Three' return 0; }