Revised RFC on range design for D2

[Jerry Quinn]

Sean Kelly Wrote:

> Bill Baxter wrote:
> > On Sat, Sep 13, 2008 at 1:03 AM, Pablo Ripolles <in-call at gmx.net> wrote:
> >>> Hmm.  One semantic issue I have is that the tip usually refers to the
> >>> infinitessimal point at the end.  Not a thing with substance.  I'm
> >>> having trouble feeling like I'm going to get an item back when I look
> >>> at "x.tip".  Head has huge history being used for the item at the
> >>> front of a list, so I think that's much less likely to cause anyone
> >>> looking at D code to scratch their heads.  It will be obvious what it
> >>> means even in relative isolation.  head/tip will often appear without
> >>> "toe" in forward range algos.  So you need to be able to easily
> >>> recognize what "tip" means without seeing that "toe" to give context.
> >>> Toe on the other hand will probably almost always appear with his
> >>> mate.
> >>>
> >>> Ooh, another scale thing, but a head is obviously a very different
> >>> scale than a toe.  A foot is closer to the same scale.  Maybe
> >>> head/foot is better than head/toe.  The connection between retreating
> >>> / feet is stronger that retreating / toes, too!
> >>>
> >>> --bb
> >> neither the tip of the tail, nor the tip of the wing, nor the tip of the flagellum are really infinitesimal...
> >>
> >> I'm not sure whether I understand your reasoning about the "tip" / "toe", I interpreted that "tip" could be a substitute of "toe"...
> > 
> > Nope.  I'm pretty sure that the discussion is about replacing "head"
> > with "tip".  There's an expression "from tip to toe".
> 
> There's also a song entitled "tiptoe through the tulips," which will 
> probably be stuck in my head for the rest of the day now.
> 
> > Well, there is only one tail... but it's what functional guys call
> > everything but the head, so Anrdrei wants to avoid it.
> 
> And what was wrong with first/last?

Another few possibilities

fore/aft
front/back
start/end
begin/end