def u64_checked_div
import bend-collections-laws-math@1.0.0.0/src/math/fixed.bend as Fixedimport Base
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as W
import bend-collections-laws-math@1.0.0.0/src/math/w64.bend as X
345def u64_checked_div(+a: W.U64, +b: W.U64) -> Maybe<&2, W.U64>:
346 u64_cdiv(X.is_zero(b), a, b)