def capacity.zero
import bendtorch-core@0.1.0.0/src/shape/core.bend as Coreimport Base
583def capacity.zero(+head: Nat, -tail: List<&2, Nat>) -> Capacity<head <> tail>:
584 match head:
585 case 0n:
586 Within{0n, {==}, {==}}
587 case 1n+p:
588 Beyond{}