Method maxPair

packages/db/src/utils/btree.ts:481–487

(reusedArray: [K, V])

  }

  maxPair(reusedArray: [K, V]): [K, V] | undefined {
    if (this.keys.length === 0) return undefined
    const lastIndex = this.keys.length - 1
    reusedArray[0] = this.keys[lastIndex]!
    reusedArray[1] = this.values[lastIndex]!
    return reusedArray
  }

  clone(): BNode<K, V> {
    const v = this.values