def multiply_left
import stelliferous@0.0.2.0/math_checked_word.bend as MathCheckedWordimport Base
41def multiply_left(unit: Bool,+left: U32,+right: U32) -> Maybe<&2,U32>:
42 match unit:
43 case True{}: Some{right}
44 case False{}: multiply_right(U32.is_eq(right,1),left,right)