[Haskell-cafe] Re: Converting IO [XmlTree] to [XmlTree]

[Achim Schneider]

Jason Dusek <jason.dusek at gmail.com> wrote:

> 2009/04/21 Manlio Perillo <manlio_perillo at libero.it>:
> > Luke Palmer ha scritto:
> >> And many other permutations, with differing degrees of
> >> laziness and parametericity.
> >
> > As long as you stricly read a string from the socket, this is
> > ok. But you can not read a string lazily.
> 
>   Why not? It changes the way in which the program fails (if it
>   does) but it does not change the result.
> 
Reading a socket lazily has exactly the same result as strictly reading
a socket that isn't sent any data. In network programming, you
continuously have to drain your input.


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