How to Convert Enums to Strings and Vice Versa in Modern C ?

Converting Enum to String in Modern C

To convert an enum to a string in modern C , leverage the Magic Enum header-only library for static reflection on enums.

#include <magic_enum.hpp>

enum Color { RED = 2, BLUE = 4, GREEN = 8 };

// Convert enum value to string
auto color_name = magic_enum::enum_name(Color::RED);

// Convert string to enum value
std::string color_name = "GREEN";
auto color = magic_enum::enum_cast<Color>(color_name);

Considerations

• Magic Enum requires a compiler-specific hack and operates within a predefined numeric range, typically [-128, 128].
• Customize the range for all enum types by modifying MAGIC_ENUM_RANGE_MIN and MAGIC_ENUM_RANGE_MAX.
• Specify a custom range for specific enum types using enum_range specialization.

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