Module malachite_base::num::arithmetic::xxx_sub_yyy_to_zzz

XXXSubYYYToZZZ, a trait for subtracting two triple-width numbers and returning the result as a triple-width number.

xxx_sub_yyy_to_zzz

use malachite_base::num::arithmetic::traits::XXXSubYYYToZZZ;

assert_eq!(
    u64::xxx_sub_yyy_to_zzz(0x67, 0x89, 0xab, 0x33, 0x33, 0x33),
    (0x34, 0x56, 0x78)
);
assert_eq!(
    u8::xxx_sub_yyy_to_zzz(0x78, 0x9a, 0xbc, 0xde, 0xfe, 0xdc),
    (0x99, 0x9b, 0xe0)
);