toString method Null safety

String toString()
override

Converts an OSError object to a string representation.

Implementation

String toString() {
  StringBuffer sb = new StringBuffer();
  sb.write("OS Error");
  if (message.isNotEmpty) {
    sb..write(": ")..write(message);
    if (errorCode != noErrorCode) {
      sb..write(", errno = ")..write(errorCode.toString());
    }
  } else if (errorCode != noErrorCode) {
    sb..write(": errno = ")..write(errorCode.toString());
  }
  return sb.toString();
}