You can only use an effect if somewhere up the call stack there is a place where that effect will be handled. In Java you need a catch around every throw, even if for runtime exceptions you can skirt around this slightly. In languages with async/await you must decorate a call to an async function with await, and the function you’re calling from must be async. Eventually up the call stack you’ll get to a call that adds the async work to a task queue, executor, or blocks waiting for it to complete. These are all examples of effect handlers for async programming. They provide the scheduling effects that the async code needs in order to run.
It’s a bit more manual than the 1Password approach — you maintain the mapping in the script rather than a reference file — but it works without any third-party dependencies.
，这一点在电影中也有详细论述
我希望您根据您所了解的所有信息，为我创建一个全面的个人背景文件。我想保留一份我们共同建立的背景便携副本——包括我的偏好、工作流程、项目，以及您了解到的关于我如何工作的任何其他内容。请从您的记忆系统、我们的对话记录、我的自定义指令以及您发现的任何模式中提取信息。。关于这个话题，PDF资料提供了深入分析
The plans have been in development ever since the vote to leave the EU and environmental campaigners said seeing them get passed was a "significant milestone".