Function add

3rd/nlohmann_json/single_include/nlohmann/json.hpp:8021–8024

add a character to token_buffer

    /// add a character to token_buffer
    void add(char_int_type c)
    {
        token_buffer.push_back(static_cast<typename string_t::value_type>(c));
    }

  public:
    /////////////////////