Understanding strictness of ghc output

[Tomasz Zielonka]

On Tue, Jun 22, 2004 at 01:52:44PM +0100, Malcolm Wallace wrote:
> 
> Same again.  Try
>    addHeight h  E        = h `seq` h
> 
> which, although it looks bizarre, actually forces the evaluation of h,
> whilst simply returning it does not.

That contradicts my intution for seq. I would read it as "h is forced
before h is forced", and I would think that (h `seq` h) is equivalent
to h.

Were I am wrong?

Best regards,
Tom

-- 
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