Revised RFC on range design for D2

[Alix Pexton]

Pablo Ripolles wrote:
> Andrei Alexandrescu Wrote:
> 
>> Pablo Ripolles wrote:
>>> Andrei Alexandrescu Wrote:
>>>
>>>> In wake of the many excellent comments and suggestions made here, I made 
>>>> one more pass through the draft proposal for ranges.
>>>>
>>>> http://ssli.ee.washington.edu/~aalexand/d/tmp/std_range.html
>>>>
>>>> There are some comments in red illustrating some uncertainties (not 
>>>> all), and the names of the primitives have been updated. Bicycle shed 
>>>> galore! But don't forget to comment on the reactor as well :o).
>>>>
>>>>
>>>> Andrei
>>>
>>> Well, it looks prety clean! :D
>>>
>>> However, I'm not completely sure I like these "head" and "toe" names selection.  It projects to much on it, doesn't it?  couldn't it be more neutral?  perhaps more conceptual?  I haven't been able to read the last days' comments... but my last impressions were that this "head" was not the best choice.
>>>
>>> If "head" is the header item, why not call it "header"?
>>>
>>> If ''toe" is the last item, why not call it "last"?
>>>
>>> Other comment goes for the "done" property, for the seek of consistence shouldn't it better be named "isDone"?
>>>
>>> Cheers!
>> Thanks. One problem in coding with first and last was that sometimes the 
>> code looks unnatural, especially when your range exposes a few more 
>> functions. In a stream parser, dealing with the "first" element is not 
>> the most natural way to think of it. But I agree that first and last are 
>> definitely palatable and natural most of the time. But then again, 
>> shouldn't any design have the inevitable cutesy that makes it memorable? :o)
>>
>> Andrei
> 
> Well, in the first place thanks to you!  I really enjoy this enthusiastic attitude.
> 
> About "first", well, I didn't mentioned "first" as an alternative to "head" but "header" which is not necessarily an animal-like characteristic.  Anyway, "head" is definitely more poly-meaning than "toe"!!!!  I definitely would look for neutral alternative...
> 
> What about "isDone"?
> 
> And yes, to have a personality in the naming is nice but I guess that in this case seems too concrete, anthropocentric, I don't know, what the heck! even "tail" is semantically wider!
> 
> Keep this great interaction! Thanks!
> 
> 

Perhaps the symmetric antonym of ".toe" is ".tip"?

but then tip is a little overloaded, for some it means to rotate, for others it is a junk-yard.

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