toIndex method
returns the index of AvataaarHair.all, or -1 if no entry is found
Implementation
@override
int toIndex() =>
all.map((e) => e.copyWith(color: color)).toList().indexOf(this);
returns the index of AvataaarHair.all, or -1 if no entry is found
@override
int toIndex() =>
all.map((e) => e.copyWith(color: color)).toList().indexOf(this);