* Lightweight Strings
@ 2009-11-08 21:14 Nordlöw
2009-11-08 21:41 ` Pascal J. Bourguignon
2009-11-09 2:02 ` Stefan Monnier
0 siblings, 2 replies; 4+ messages in thread
From: Nordlöw @ 2009-11-08 21:14 UTC (permalink / raw)
To: help-gnu-emacs
How lightweight are strings in Emacs, if they don't contain any
properties?
Is there support for lighweight strings?
/Nordlöw
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Lightweight Strings
2009-11-08 21:14 Lightweight Strings Nordlöw
@ 2009-11-08 21:41 ` Pascal J. Bourguignon
2009-11-09 2:02 ` Stefan Monnier
1 sibling, 0 replies; 4+ messages in thread
From: Pascal J. Bourguignon @ 2009-11-08 21:41 UTC (permalink / raw)
To: help-gnu-emacs
Nordlöw <per.nordlow@gmail.com> writes:
> How lightweight are strings in Emacs, if they don't contain any
> properties?
>
> Is there support for lighweight strings?
Why do you care?
--
__Pascal Bourguignon__
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Lightweight Strings
2009-11-08 21:14 Lightweight Strings Nordlöw
2009-11-08 21:41 ` Pascal J. Bourguignon
@ 2009-11-09 2:02 ` Stefan Monnier
2009-11-10 9:46 ` Nordlöw
1 sibling, 1 reply; 4+ messages in thread
From: Stefan Monnier @ 2009-11-09 2:02 UTC (permalink / raw)
To: help-gnu-emacs
> How lightweight are strings in Emacs, if they don't contain any
> properties?
If you look at emacs/src/lisp.h and search for Lisp_String, you'll see
that strings are represented as a 4-word object:
- size in chars
- size in bytes
- pointer to text-properties interval tree
- pointer to the beginning of the string's content
Stefan
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: Lightweight Strings
2009-11-09 2:02 ` Stefan Monnier
@ 2009-11-10 9:46 ` Nordlöw
0 siblings, 0 replies; 4+ messages in thread
From: Nordlöw @ 2009-11-10 9:46 UTC (permalink / raw)
To: help-gnu-emacs
On 9 Nov, 03:02, Stefan Monnier <monn...@iro.umontreal.ca> wrote:
> > How lightweight are strings in Emacs, if they don't contain any
> > properties?
>
> If you look at emacs/src/lisp.h and search for Lisp_String, you'll see
> that strings are represented as a 4-word object:
> - size in chars
> - size in bytes
> - pointer to text-properties interval tree
> - pointer to the beginning of the string's content
>
> Stefan
Thanks,
Per
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2009-11-08 21:14 Lightweight Strings Nordlöw
2009-11-08 21:41 ` Pascal J. Bourguignon
2009-11-09 2:02 ` Stefan Monnier
2009-11-10 9:46 ` Nordlöw
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