Function writeString

Utilities/cmjsoncpp/src/lib_json/json_writer.cpp:1250–1255

}

String writeString(StreamWriter::Factory const& factory, Value const& root) {
  OStringStream sout;
  StreamWriterPtr const writer(factory.newStreamWriter());
  writer->write(root, &sout);
  return std::move(sout).str();
}

OStream& operator<<(OStream& sout, Value const& root) {
  StreamWriterBuilder builder;