sign property
int signReturns the sign of this integer.
Returns 0 for zero, -1 for values less than zero and +1 for values greater than zero.
Source
int get sign;
© 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/int/sign.html