// Licensed under the MIT License . // SPDX-License-Identifier: MIT // Copyright (c) 2020 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 }; enum class Numbers : int { One, Two, Three }; #if defined(NAMEOF_ENUM_SUPPORTED) // Сustom definitions of names for enum. // Specialization of `enum_name` must be injected in `namespace nameof::customize`. template <> constexpr std::string_view nameof::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 {}; // Empty string for default value. } return {}; // Empty string for unknow value. } // Сustom definitions of names for enum. // Specialization of `enum_name` must be injected in `namespace nameof::customize`. template <> constexpr std::string_view nameof::customize::enum_name(Numbers value) noexcept { switch (value) { case Numbers::One: return "the one"; default: return {}; // Empty string for default or unknow value. } } #endif // Сustom definitions of names for type. // Specialization of `type_name` must be injected in `namespace nameof::customize`. template <> constexpr std::string_view nameof::customize::type_name() noexcept { return "The Color"; } class a1_test {}; class a2_test {}; // Сustom definitions of names for type. // Specialization of `type_name` must be injected in `namespace nameof::customize`. template <> constexpr std::string_view nameof::customize::type_name() noexcept { return "Animal"; } int main() { #if defined(NAMEOF_ENUM_SUPPORTED) std::cout << nameof::nameof_enum(Color::RED) << std::endl; // 'the red color' std::cout << nameof::nameof_enum(Color::BLUE) << std::endl; // 'The BLUE' std::cout << nameof::nameof_enum(Color::GREEN) << std::endl; // 'GREEN' std::cout << nameof::nameof_enum(Numbers::One) << std::endl; // 'the one' std::cout << nameof::nameof_enum(Numbers::Two) << std::endl; // 'Two' std::cout << nameof::nameof_enum(Numbers::Three) << std::endl; // 'Three' #endif std::cout << nameof::nameof_type() << std::endl; // 'The Color' std::cout << nameof::nameof_type() << std::endl; // 'Numbers' std::cout << nameof::nameof_type() << std::endl; // 'Animal' std::cout << nameof::nameof_type() << std::endl; // 'a2_test' return 0; }