LengthOption constructor
Do not use
Implementation
LengthOption({int? length, int? min, int? max}) {
name = "l";
params = [];
if (length != null) {
this.length = length;
params.add(length.toString());
} else {
if (min == null && max == null) {
throw ArgumentError();
}
params.add("${min ?? ""}-${max ?? ""}");
this.min = min ?? 0;
this.max = max;
}
}