Serialization: Enum Adapter

Create an adapter with the specified mapping values.

Parameters

enum_name

A user-friendly name for this enumeration to be used in error messages.

mapping

A list of C++ types and values to use in to_json and extract. It is okay to have a C++ value with more than one JSON representation. In this case, the first JSON representation will be used in to_json, but all JSON representations will be interpreted as the C++ value. It is also okay to have the same JSON representation for multiple C++ values. In this case, the first JSON representation provided for that value will be used in extract.

enum_adapter<ring>("ring",
                   {
                     { ring::fire,  "fire"    },
                     { ring::wind,  "wind"    },
                     { ring::earth, "earth"   },
                     { ring::water, "water"   },
                     { ring::heart, "heart"   }, // "heart" is preferred for to_json
                     { ring::heart, "useless" }, // "useless" is interpreted as ring::heart in extract
                   }
                  );

: Enum Adapter