def Int.saturating_sub
import bend-kit-int@0.2.0.0/int.bend as Intimport Base
243def Int.saturating_sub(+n: Nat, +s: Bool, +a: Word(n), b: Word(n)) -> Word(n):
244 Int.saturate(n, s, Bool.or(Bool.not(s), Int.msb(n, a)),
245 Int.sub_ov(n, s, a, b))