toString method Null safety

String toString ()
override

Returns a string representation of this object.

Implementation

String toString() {
  StringBuffer sb = new StringBuffer();
  sb.write("SocketException");
  if (message.isNotEmpty) {
    sb.write(": $message");
    if (osError != null) {
      sb.write(" ($osError)");
    }
  } else if (osError != null) {
    sb.write(": $osError");
  }
  if (address != null) {
    sb.write(", address = ${address!.host}");
  }
  if (port != null) {
    sb.write(", port = $port");
  }
  return sb.toString();
}