Method writeUndefined

Fleece/Support/JSONEncoder.hh:102–104

        void beginArray(size_t)                       {beginArray();}
        void beginDictionary(size_t)                  {beginDictionary();}
        void writeUndefined() {
            FleeceException::_throw(JSONError, "Cannot write `undefined` to JSON encoder");
        }

    private:
        void writeDict(const Dict*);