[Haskell-cafe] Re: ANNOUNCE: deepseq-1.0.0.0

[Simon Marlow]

On 18/11/2009 04:05, Malcolm Wallace wrote:
>> The documentation claim that "The default implementation of 'deepseq'
>> is simply 'seq'" is not exactly right, as `deepseq` and `seq` have
>> different signatures.
>
> Yes indeed. In order to use deepseq, it looks like I also need some way
> to force the () return value, e.g.
>
> let res = deepseq (my big computation)
> in res `seq` use res
>
> or
>
> let res = deepseq (my big computation)
> in case res of () -> use res

or

let !res = deepseq (my big computation)
in use res

Cheers,
	Simon