toString method
String toString(Returns a string representation of this object.
Source
String toString() => (this.message != null
? "UnimplementedError: $message"
: "UnimplementedError");
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-core/UnimplementedError/toString.html