[Haskell-cafe] Re: Doubting Haskell

Simon Marlow simonmarhaskell at gmail.com
Mon Feb 18 08:26:17 EST 2008

Bryan O'Sullivan wrote:
> Stefan O'Rear wrote:
>> I'll bet that breaks horribly in the not-so-corner case of /dev/tty.
> Actually, it doesn't.  It seems to do a read behind the scenes if the
> buffer is empty, so it blocks until you type something.

Indeed, and this is why even an unbuffered Handle needs to have a 
1-character buffer, an interesting fact I discovered when implementing the 
I/O library.


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