Function keyBetween

apps/sim/lib/table/order-key.ts:26–28

(a: string | null, b: string | null)

 * @throws if `a >= b` (callers must pass ordered, distinct bounds)
 */
export function keyBetween(a: string | null, b: string | null): string {
  return generateKeyBetween(a, b)
}

/**
 * Returns `n` keys evenly spaced strictly between `a` and `b` (same open-end