[squeak-dev] [ANN] Zippers for Squeak 4.4

H. Hirzel hannes.hirzel at gmail.com
Thu Dec 27 12:46:16 UTC 2012


Thank you for providing this, Frank.

I assume I can edit a huge XMLDocument I keep in memory with it?

An example script?

There is still a load problem when loading it through SqueakMap into
Squeak4.4-12324

--Hannes



On 12/27/12, Frank Shearar <frank.shearar at gmail.com> wrote:
> A zipper is a data structure that lets you efficiently "modify" an
> immutable data structure. "Modify", because a zipper creates a new,
> updated, data structure that reuses as much of the original structure.
> Local modifications and navigations are constant time.
>
> This zipper implementation lets you walk over an arbitrary graph
> structure by leaving the decision of what "up", "down", "left" and
> "right" means to you, the programmer.
>
> (Zippers should also work just fine in Squeak 4.3, Pharo 1.4 and Pharo
> 2.0.)
>
> frank
>
>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: SqueakTest4.4-12324-InstallingZippersThroughSqueakMap.gif
Type: image/gif
Size: 58170 bytes
Desc: not available
Url : http://lists.squeakfoundation.org/pipermail/squeak-dev/attachments/20121227/0cd30749/SqueakTest4.4-12324-InstallingZippersThroughSqueakMap.gif


More information about the Squeak-dev mailing list