试用“cabal sandbox init”并且cabal不识别命令“沙箱” [英] Trying out "cabal sandbox init" and cabal not recognizing the command "sandbox"

问题描述

我尝试使用scotty制作简单网站的教程，但当我尝试命令cabal sandbox init时遇到错误：

  cabal：unrecognized command：sandbox（try --help）
  

有没有人知道什么是错的？

解决方案

您的Cabal / cabal-install版本够新吗？沙盒在Cabal 1.18中引入。您可以使用 cabal --version 命令检查版本。您可以使用以下命令进行升级：

  cabal update 
 cabal install Cabal cabal-install 
  

I'm trying out the tutorial about making a simple website with scotty but I get an error when I try the command "cabal sandbox init":

cabal: unrecognised command: sandbox (try --help)

Does anyone know what is wrong?

解决方案

Is your Cabal/cabal-install version new enough? Sandboxes were introduced in Cabal 1.18. You can check the version with command cabal --version.

You might be able to upgrade with these commands:

cabal update
cabal install Cabal cabal-install

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