v0.1.0

example/example.cpp

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+// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2019 Daniil Goncharov <neargye@gmail.com>.
+//
+// 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 <magic_enum.hpp>
+
+#include <iostream>
+
+enum Color { RED = -10, BLUE = 0, GREEN = 10 };
+
+int main() {
+  // Enum variable to string enum name.
+  auto c1 = Color::RED;
+  auto c1_name = magic_enum::enum_to_string(c1);
+  if (c1_name.has_value()) {
+    std::cout << c1_name.value() << std::endl; // RED
+  }
+
+  // String enum name to enum variable.
+  auto c2 = magic_enum::enum_from_string<Color>("GREEN");
+  if (c2.has_value() && c2.value() == Color::GREEN) {
+    std::cout << "GREEN = " << c2.value() << std::endl; // GREEN = 10
+  }
+
+  // Static storage enum variable to string enum name.
+  constexpr auto cx = Color::BLUE;
+  auto cx_name = magic_enum::enum_to_string<cx>();
+  if (cx_name.has_value()) {
+    std::cout << cx_name.value() << std::endl; // BLUE
+  }
+
+  return 0;
+}