我如何获得榆木的当前时间？ [英] How do I get the current time in Elm?

问题描述

我正在运行elm-repl来尝试使用该语言。

I'm running elm-repl to play around with the language.

我想看看现在是几点。我该怎么办？当前库似乎无法实现。为什么？

I'd like to see what the current time is. How would I do that? It doesn't appear to be possible with the current library. Why is that?

编辑：我制作了一个软件包来帮助解决这个问题。 http://package.elm-lang.org/packages/z5h/time- app

I made a package to help with this. http://package.elm-lang.org/packages/z5h/time-app

这是在榆树0.15周围提出的-榆树0.17和& 0.18 ：请参见如何获取Elm 0.17 / 0.18的当前时间？

This was asked around elm 0.15 - things are different in elm 0.17 & 0.18: see How do I get the current time in Elm 0.17/0.18?

推荐答案

要解决我自己的问题，我创建了一个

因此，更新功能具有签名：

update：action->时间->型号-> （模型，效果动作）

To resolve my own question, I've created a variant of StartApp that includes a timestamp on each action.
So the update function has signature:
update : action -> Time -> model -> (model, Effects action)

要点在这里。
https://gist.github.com/z5h/41ca436679591b6c3e51

这篇关于我如何获得榆木的当前时间？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！