toHexString method
Converts this instance into 24-byte hexadecimal string representation.
Implementation
String toHexString() {
List<String?> charCodes = List<String?>.filled(24, null);
int i = 0;
for (final b in toBytes()) {
charCodes[i++] = _hexChars[b! >> 4 & 0xF];
charCodes[i++] = _hexChars[b & 0xF];
}
return charCodes.join('');
}