#ifdef considered harmful (was: DData)

Ketil Malde ketil+haskell at ii.uib.no
Fri Apr 16 12:53:46 EDT 2004

"Simon Marlow" <simonmar at microsoft.com> writes:

> Most of the time it's unnecessary to use an explicit Int#.  If your Int
> is in a data structure, you can use 
>   {-# UNPACK #-} !Int
> which is portable, and compiles to an unboxed Int in GHC >= 6.2.

Is this different from 

(I.e., should I change from this to UNPACK pragmas?)

If I haven't seen further, it is by standing in the footprints of giants

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