toDeltaString method

String toDeltaString()

The delta string representation of this num (showing always the positive sign).

Example:

1.1.toDeltaString() == '+1.1'
0.toDeltaString() == '+0'
(-5).toDeltaString() == '-5'

Implementation

String toDeltaString() => isNegative ? '$this' : '+$this';