[Haskell-cafe] Loop with the StateT monad

[Ben Franksen]

Am 18.03.2017 um 23:34 schrieb Brandon Allbery:
> On Sat, Mar 18, 2017 at 6:27 PM, Ben Franksen <ben.franksen at online.de>
> wrote:
> 
>> System.IO.hSetBuffering is your friend
> 
> 
> Except when it's your enemy:
> https://github.com/commercialhaskell/stack/issues/2884 see also
> http://tunes.org/~nef/logs/haskell/17.03.18 at 02:48:19 and following.
> 
> This conflation is stupid, prone to cause problems when multiple processes
> are involved, and needs to go away. Trying to hide the difference between
> buffering and tty mode from users just causes problems, because buffering
> is process local but the tty mode is shared between all processes using the
> tty.

I don't understand.

"""
geekosaur commented on 30 Dec 2016
some ghc versions back, ghc's Unix runtime started conflating
NoBuffering with stty -icanon
"""

What exactly is meant here with "conflate"?

When you turn off buffering for stdin, then of course backspace cannot
work. That should be clear.

Cheers
Ben