[Haskell-cafe] How to compile this example code?

Roel van Dijk vandijk.roel at gmail.com
Mon Oct 3 09:50:27 CEST 2011

{- forgot to reply to list -}

This isn't Haskell syntax. Atleast not directly. It is either
hsc2hs[1] or c2hs [2]. Also see [3] for the difference between the
two. Soin order to compile that code you first have to run it through
aspecial preprocessor.
1 - http://www.haskell.org/ghc/docs/7.2.1/html/users_guide/hsc2hs.html2
- http://www.cse.unsw.edu.au/~chak/haskell/c2hs/3 -
2011/10/3 Magicloud Magiclouds <magicloud.magiclouds at gmail.com>:
> Hi,
>  I am learning to use data-flags, and got this example code:
> import Data.Flags
> newtype MyFlags = MyFlags CInt deriving (Eq, Flags)
> #{enum MyFlags, MyFlags
>  , myFlag1 = C_FLAG1
>  , myFlag2 = C_FLAG2
>  , myFlag3 = C_FLAG3
>  }
>  I modified it trying to compile it. Well, I got illegal syntax at "#{e".
>  In fact, I am not quite know the syntax here. Any clue?

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