def saturating_sub
bend-collections-laws-math@1.0.0.0 · proofs/math/typed/fix32.bend:138
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/fix32.bend as Fix32
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/fixed.bend as F
138def saturating_sub(+a: U32, +b: U32) -> SF.SaturatingSub.value(~U32, ~SG.u32_val, ~F.u32_saturating_sub, a, b):
139 ssub(a, b, U32.is_lt(a, b), Equal.sym(Bool, U32.is_lt(a, b), Nat.is_lt(SG.u32_val(a), SG.u32_val(b)), lt_nat(a, b)))