如何找到 2 NaiveDateTimes 之间的差异? [英] How to find the difference between 2 NaiveDateTimes?

问题描述

我正在使用 chrono.我有 now() 和其他一些 NaiveDateTime.我怎样才能找到它们之间的区别?

I am using chrono. I have now() and some other NaiveDateTime. How can I find a difference between them?

let now = Utc::now().naive_utc();
let dt1 = get_my_naive_datetime();

推荐答案

使用NaiveDateTime::signed_duration_since:

println!("{:?}", dt1.signed_duration_since(now))

(游乐场)

它返回一个 Duration，它有 &self 的方法来产生你喜欢的任何单位，例如dt1.signed_duration_since(now).num_days().

It returns a Duration, which has &self-taking methods to yield whatever units you like, e.g. dt1.signed_duration_since(now).num_days().

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