def u64_checked_sub

bend-collections-laws-math@1.0.0.0 · proofs/math/number/proof.bend:161

import Base
import bend-collections-laws-math@1.0.0.0/spec/math/generic.bend as SG
import bend-collections-laws-math@1.0.0.0/spec/math/fixed.bend as SF
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as WU
import bend-collections-laws-math@1.0.0.0/src/math/fixed.bend as F
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/fix64.bend as P64

161def u64_checked_sub(+a: WU.U64, +b: WU.U64) -> SF.CheckedSub.value(~WU.U64, ~SG.u64_val, ~F.u64_checked_sub, a, b):
162  P64.checked_sub(a, b)