Method update

packages/db-ivm/src/utils.ts:36–41

* Update the value for a key using a function.

(key: K, updater: (value: V) => V)

   * Update the value for a key using a function.
   */
  update(key: K, updater: (value: V) => V): V {
    const value = this.get(key)
    const newValue = updater(value)
    this.set(key, newValue)
    return newValue
  }
}

// JS engines have various limits on how many args can be passed to a function