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Re: Shorthand procedures?



On Mon, Jul 28, 2003 at 11:12:53AM -0700, Jim White wrote:
> scgmille@xxxxxxxxxxxxxxxxxx wrote:
> >First, if we are to use collection-fold-keys-increasing, it makes sense 
> >that collection-fold-left is renamed to collection-fold-increasing as 
> >well.
> >
> >Second, Is there any objection to adding the procedures collection-fold 
> >and collection-fold-keys as synonyms for collection-fold-increasing and 
> >collection-fold-keys-increasing respectively?
> 
> I'm skeptical of both changes.  The fold concept is spatial (thus 
> addressing unordered collections) and increasing/decreasing is 
> explicitly ordered.

I agree actually.  

> 
> And what about ordered vs unordered key enumeration?  Are you really
> saying ordered key enumeration is the only option?

No.  Again arguing for left and right fold, which are more vague but 
more flexible.

	Scott

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