From: Mark H Weaver <mhw@netris.org>
To: ludo@gnu.org (Ludovic Courtès)
Cc: guile-devel@gnu.org
Subject: Re: port-with-print-state doesn't create a port? Or, when is a port not a port? :-)
Date: Tue, 03 Jun 2014 18:57:52 -0400 [thread overview]
Message-ID: <87oay9vbwv.fsf@yeeloong.lan> (raw)
In-Reply-To: <87bnuko6a7.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Mon, 26 May 2014 18:26:24 +0200")
I wrote earlier:
> As distasteful as this 'port-with-print-state' concept may be, I'm not
> aware of a better solution. Fluids aren't quite right, because a
> structure printer might cause I/O to happen on another port.
Having thought more on this, I think fluids might be the right tool.
The only detail is, the print state would have to include a reference to
the associated port. Then, if the port passed to 'write' or 'display'
doesn't match the one associated with the current-print-state, it would
be saved and later restored, with a fresh new current-print-state used
for the duration of that 'write' or 'display' call.
What do you think?
Mark
next prev parent reply other threads:[~2014-06-03 22:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-17 18:10 port-with-print-state doesn't create a port? Or, when is a port not a port? :-) Doug Evans
2014-05-21 14:24 ` Ludovic Courtès
2014-05-25 19:05 ` Doug Evans
2014-05-26 14:47 ` Mark H Weaver
2014-05-26 16:26 ` Ludovic Courtès
2014-06-03 22:57 ` Mark H Weaver [this message]
2014-06-04 8:25 ` Ludovic Courtès
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