Haskell 安装模块后找不到它
我正在尝试安装“三便士gui”，我只是通过Haskell 安装模块后找不到它,haskell,import,Haskell,Import,我正在尝试安装“三便士gui”，我只是通过 cabal install threepenny-gui 这是一个学校项目，我必须使用它，你可以找到开始代码 在我安装它并运行Calculator.hs而不更改任何内容后，我会得到错误 ThreepennyPages.hs:13:18: Could not find module ‘Data.Aeson’ Perhaps you meant Data.Version (from base-4.8.2.0) Use -v to
cabal install threepenny-gui
ThreepennyPages.hs:13:18:
Could not find module ‘Data.Aeson’
Perhaps you meant Data.Version (from base-4.8.2.0)
Use -v to see a list of the files searched for.
ThreepennyPictures.hs:17:18:
Could not find module ‘Graphics.UI.Threepenny’
Use -v to see a list of the files searched for.
ThreepennyPictures.hs:18:8:
Could not find module ‘Graphics.UI.Threepenny.Core’
Use -v to see a list of the files searched for.
Failed, modules loaded: none.
但并没有给出任何真正的解决方案。我应该如何正确安装它？在安装其他模块时遇到类似问题。您是否熟悉该工具
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