numericalPadLeft method
Same as padLeft with 0
, but respects the numerical signal.
Implementation
String numericalPadLeft(int width) {
var s = this;
if (s.startsWith('-')) {
var n = s.substring(1);
return '-${n.padLeft(width, '0')}';
} else {
return s.padLeft(width, '0');
}
}