hashCode property
int hashCodeReturns a hash code derived from the code units of the string.
This is compatible with ==. Strings with the same sequence of code units have the same hash code.
Source
int get hashCode;
© 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/String/hashCode.html