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Re: Permanently sinking output ports

From: Romain Deltour <rdeltour@gmail.com>
Date: Sun, 18 Nov 2012 13:13:03 +0100
Message-Id: <FE77797A-A8FB-4498-9FE6-EC35096617E6@gmail.com>
To: XProc Dev <xproc-dev@w3.org>, Alex Muir <alex.g.muir@gmail.com>
Well, the whole point is to let implementors do some basic optimization without requiring a full-blown *static* graph analysis. If a port has been discarded following the execution of the annotated p:sink but is later read it would issue a *dynamic* error.

That said, it was just a thought. It may well be that a static dependency graph analysis is not that costly to implement.


On 17 nov. 2012, at 19:00, Alex Muir <alex.g.muir@gmail.com> wrote:

> I'm wondering if "hint" is the right word here. If the p:sink attribute is optional, the graph analysis program logic would be the same plus the addition of logic to handle the option. Wouldn't it have to be a "required" attribute to have some positive affect on graph analysis logic? 
> On Sat, Nov 17, 2012 at 11:48 AM, Romain Deltour <rdeltour@gmail.com> wrote:
> What I suggest is for the author to be able to give a hint to the implementation, so that it's easier to implement such optimization without requiring to perform a complete graph analysis.
> -- 
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> Alex G. Muir
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Received on Sunday, 18 November 2012 12:13:31 UTC

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