[Python-Dev] RFD: how to build strings from lots of slices?

[Christian Tismer]

Fredrik Lundh wrote:
> 
> Ka-Ping Yee wrote:
> > > 1. introduce a PySliceListObject, which behaves like a
> > > simple sequence of strings, but stores them as slices.
> >
> > It occurred to me when i read this that *all* slices
> > could be references within the original string, since
> > strings are immutable.  That is,
> >
> >     s[x:y]
...

[b strings with NULL]
> (b) is a bit harder to ignore, though.

I think the explicit string slice object is a good thing,
but changing [:] behavior is not. With special stuff
made explicit, it is easy to write optimized code, while
the average user is not affected.

cheers - chris

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