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
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