Open issues for SRFI 113 John Cowan (04 Dec 2013 04:37 UTC)
Re: Open issues for SRFI 113 Kevin Wortman (08 Dec 2013 04:35 UTC)
Re: Open issues for SRFI 113 John Cowan (08 Dec 2013 18:05 UTC)
Re: Open issues for SRFI 113 John Cowan (08 Dec 2013 18:15 UTC)
Re: Open issues for SRFI 113 Kevin Wortman (09 Dec 2013 00:43 UTC)
Re: Open issues for SRFI 113 John Cowan (09 Dec 2013 08:04 UTC)
Re: Open issues for SRFI 113 Alex Shinn (09 Dec 2013 08:16 UTC)
Re: Open issues for SRFI 113 John Cowan (09 Dec 2013 15:59 UTC)
Re: Open issues for SRFI 113 Alex Shinn (09 Dec 2013 00:39 UTC)
Re: Open issues for SRFI 113 John Cowan (09 Dec 2013 17:13 UTC)
Re: Open issues for SRFI 113 Alex Shinn (10 Dec 2013 01:18 UTC)
Re: Open issues for SRFI 113 John Cowan (10 Dec 2013 21:35 UTC)
Re: Open issues for SRFI 113 Alex Shinn (11 Dec 2013 00:55 UTC)
Re: Open issues for SRFI 113 John Cowan (16 Dec 2013 07:12 UTC)

Re: Open issues for SRFI 113 John Cowan 09 Dec 2013 08:04 UTC

Kevin Wortman scripsit:

> If the "delete x from A" operation invalidates the "for each element x"
> cursor then you're out of luck.

And yet my implementation of sets actually does this!  Oops.  Well, the
implementation needs a massive update anyway.

> Then again, insisting that live cursors stay valid is a heavy
> implementation burden that adds a lot of complexity and effectively
> prohibits some data structures.

Exactly so.

--
John Cowan  xxxxxx@ccil.org  http://ccil.org/~cowan
Female celebrity stalker, on a hot morning in Cairo:
"Imagine, Colonel Lawrence, ninety-two already!"
El Auruns's reply:  "Many happy returns of the day!"