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根据iHaskell页面，应该可以从 Hackage 安装

cabal install ihaskell

但是，当我这样做时，它无法安装某些软件包：

...
[ 7 of 44] Compiling HsColour         ( src/HsColour.hs, dist/build/HsColour.o )

src/HsColour.hs:25:16:
    Couldn't match type `Int' with `[Char]'
    Expected type: String -> String
      Actual type: Int -> String -> String
    In the return type of a call of `CSS.hscolour'
    Probable cause: `CSS.hscolour' is applied to too few arguments
    In the expression: CSS.hscolour False
    In an equation for `hsColourHTML':
        hsColourHTML = CSS.hscolour False
Failed to install hlint-1.9.10
cabal: Error: some packages failed to install:
hlint-1.9.10 failed during the building phase. The exception was:
ExitFailure 1
ihaskell-0.5.0.0 depends on hlint-1.9.10 which failed to install.

建议一些关于hlint-1.9.10. 然而，hlint-1.9.17实际上是存在的。

ubuntu:~$ hlint -V
HLint v1.9.17, (C) Neil Mitchell 2006-2015
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