2025年2月17日 · Transforms the Option<T> into a Result<T, E>, mapping Some(v) to Ok(v) and None to Err(err). Arguments passed to ok_or are eagerly evaluated; if you are passing the …

2022年9月16日 · Is there a difference between okay and OK? No. The meaning and usage are the same. The extremely versatile okay and OK can express agreement, change the topic, …

Okay, OK, and O.K. are all the same words and can be used interchangeably with one another in both informal and formal writing scenarios. In fact, OK is the original preferred spelling of the …

2024年3月28日 · Both words mean the same thing: an agreement or acceptance. However, “ok” is often seen as more casual or informal. It’s a quick, easy way to say yes or show you …

The simple answer to Tim’s question is that ‘ok’, while just about acceptable in text messages, isn’t really OK for more formal contexts. The generally accepted form is ‘OK’ – upper case, …

2023年11月23日 · 当函数的返回值类型为 Result，但是在函数体中需要处理 Option 时就应当使用这个方法。 配合 ? 宏，效果更好. // 如果 foo 有值，那么 int_result = Ok(123) // 如果 foo 没有 …

2019年12月13日 · “OK” and “okay” are both OK with us. Now, both spellings are accepted, so you can use either in your work. Some people also write it as “O.K.” or use the lowercase “ok,” …

2023年6月6日 · Many people feel that 'K' is a rude response. 'Ok' and 'Okay' are perceived as more neutral. 'Okk' has a sarcastic tone. 'O.K.' comes across as rude or gives the reader the …

We use okay as a response token to show that we understand, accept, or agree with what someone is saying: I’ll see you at 5 in front of the library. OK. See you later. Why don’t you get …

2011年6月3日 · According to Gregg Reference Manual, okay is written without periods. “In sentences, the forms okay, okayed, and okaying look better than OK, OK’d, and OK’ing, but …