intToHex method
Converts an int value to a hexadecimal String.
This method converts the integer to its hexadecimal representation as a string.
Returns a hexadecimal String representation of this integer.
Example:
255.intToHex(); // Returns 'ff'
6719.intToHex(); // Returns '1a3f'
0.intToHex(); // Returns '0'
Implementation
@useResult
String intToHex() => toRadixString(_hexRadix);