[Haskell-beginners] IO question

[Ertugrul Soeylemez]

Brandon Allbery <allbery.b at gmail.com> wrote:

> On Thu, Oct 27, 2011 at 10:48, Rustom Mody <rustompmody at gmail.com> wrote:
>
> > Can someone explain what is happening here?
> > *Main> getTwoChars
> > ab
> > ('a','b')
> > *Main> getTwoChars
> > a
> > ('\n','a')
>
> The code is doing exactly what it says.  getTwoChars reads two
> characters --- *not* a line.  So the next character waiting to be read
> is the newline, which is returned by the next getTwoChars.
>
> This may depend to some extent on the platform, as Unix defaults to a
> line-oriented input interface (at the OS level) but Windows to
> character-oriented input.

I can't confirm that.  This is true for compiled programs, but when
running

    liftA2 (,) getChar getChar

on the GHCi command line, it seems to use NoBuffering.


Greets,
Ertugrul


-- 
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