“Rost Lang -Druck in Hex” Code-Antworten

Rost Lang -Druck in Hex

let x = 42; // 42 is '2A' in hex
assert_eq!(format!("{:X}", x), "2A");
assert_eq!(format!("{:#X}", x), "0x2A");
assert_eq!(format!("{:X}", -16), "FFFFFFF0");