toHex method
Converts this BigInt to a HEX string.
width
of the HEX string. Will left-pad with zeroes if needed.
Implementation
String toHex({int width = 0}) {
var hex = toRadixString(16).toUpperCase();
if (width > 0) {
if (isNegative) {
hex = hex.substring(1);
return '-${hex.padLeft(width, '0')}';
} else {
return hex.padLeft(width, '0');
}
}
return hex;
}