[Python-Dev] String views (was: Re: Proof of the pudding: str.partition())
James Y Knight
foom at fuhm.net
Thu Sep 1 04:51:18 CEST 2005
On Aug 31, 2005, at 10:21 PM, skip at pobox.com wrote:
> Tim> One of the big disadvantages of string views is that they
> need to
> Tim> keep the original object around, no matter how big it is.
> But in
> Tim> the case of partition, much of the time the original string
> Tim> survives for at least a similar period to the partitions.
> Not necessarily. Presumably a string view would reference another
> object's data buffer. A possible optimization would be to convert
> from a
> view to a normal string once the original strings' refcount dropped
> to one,
> particularly if the view's size was substantially smaller than that
> of the
> original string.
I suspect this would be a pessimization most of the time, as it would
require keeping a list of pointers to all the views referencing the
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