Gordon McMillan wrote:
>
> Christian wrote:
>
> > The split/join issue is really on the edge where I begin to not
> > like it. It is clear that the join method *must* be performed as
> > a method of the joining character, since the method expects a
> > list as its argument.
>
> We've been through this a number of times on c.l.py.
I know. It just came up when I really used it, when
I read through this huge patch from Fred Gansevles, and when
I see people wondering about it.
After all, it is no surprize. They are right.
If we have to change their mind in order to understand
a basic operation, then we are wrong, not they.
> "What is this trash - I want list.join(sep)!"
>
> After some head banging (often quite violent - ie, 4 or 5
> exchanges), they get that list.join(sep) sucks. But they still
> swear they'll never use sep.join(list).
>
> So you end up saying "Well, string.join still works".
And it is the cleanest possible way to go, IMHO.
Unless we had some compound object methods, like
(somelist, somestring).join()
> We'll need a pre-emptive FAQ entry with the link bound to a
> key stroke. Or a big increase in the PSU budget...
We should reconsider the OO pattern.
The user's complaining is natural. " ".join() is not.
We might have gone too far.
Python isn't just OO, it is better.
Joining lists of strings is joining lists of strings.
This is not a method of a string in the first place.
And not a method od a sequence in the first place.
Making it a method of the joining string now appears to be
a hack to me. (Sorry, Tim, the idea was great in the first place)
I am now
+1 on leaving join() to the string module
-1 on making some filler.join() to be the preferred joining way.
this-was-my-most-conservative-day-since-years-ly y'rs - chris
--
Christian Tismer :^) <mailto:tismer@appliedbiometrics.com>
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