[Python-Dev] Set options

[Greg Stein]

On Tue, 21 Mar 2000, Jeremy Hylton wrote:
> >>>>> "MAL" == M -A Lemburg <mal@lemburg.com> writes:
>   MAL> Perhaps someone could take Aaron's kjbuckets and write a Python
>   MAL> emulation for it (I think he's even already done something like
>   MAL> this for gadfly). Then the emulation could go into the core and
>   MAL> if people want speed they can install his extension (the
>   MAL> emulation would have to detect this and use the real thing
>   MAL> then).
> 
> I've been waiting for Tim Peters to say something about sets, but I'll
> chime in with what I recall him saying last time a discussion like
> this came up on c.l.py.  (I may misremember, in which case I'll at
> least draw him into the discussion in order to correct me <0.5 wink>.)
> 
> The problem with a set module is that there are a number of different
> ways to implement them -- in C using kjbuckets is one example.  Each
> approach is appropriate for some applications, but not for every one.
> A set is pretty simple to build from a list or a dictionary, so we
> leave it to application writers to write the one that is appropriate
> for their application.

Yah... +1 on what Jeremy said.

Leave them out of the distro since we can't do them Right for all people.

Cheers,
-g

-- 
Greg Stein, http://www.lyra.org/