def prod_checked

bend-collections-laws-math@1.0.0.0 · proofs/math/typed/u64int.bend:333

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/src/math/num.bend as NM
import bend-collections-laws-math@1.0.0.0/src/math/instances.bend as I
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as WU

333def prod_checked(+xs: List<&2, WU.U64>) -> SG.Prod.checked(~WU.U64, ~I.u64_op, ~I.u64_is, ~SG.u64_val, ~SG.u64_of, 64n, xs):
334  pal(xs, Some{I.u64_op(NM.One{})}, 1n, True{}, Equal.cong(WU.U64, Maybe<&2, WU.U64>, t => Some{t}, I.u64_op(NM.One{}), of(1n), as_of(I.u64_op(NM.One{}), 1n, one_v())), {==})