[Haskell-cafe] Converting IO [XmlTree] to [XmlTree]
lemming at henning-thielemann.de
Tue Apr 21 18:07:50 EDT 2009
On Sun, 19 Apr 2009, Manlio Perillo wrote:
> Note that it is not always possible to separate IO from pure code.
> As an example, consider an HTTP 1.1 server that read a request body
> containing a number for each line, and return a response body containing
> the sum of the numbers.
> Here, you can not really separate IO from pure computation.
> And you can not use lazy IO, if you want your server to support HTTP 1.1
I have done exactly this, but I needed to define the LazyIO type:
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