Proposal: takeFront and takeBack

[deadalnix]

Le 04/07/2012 10:14, Jonathan M Davis a écrit :
> On Wednesday, July 04, 2012 09:55:57 Roman D. Boiko wrote:
>> On Wednesday, 4 July 2012 at 04:33:14 UTC, Jonathan M Davis wrote:
>>> If no one has any major objections to this scheme or can
>>> provide a better proposal, I'll create a pull request from what
>>> I have.
>>
>> No objections.
>>
>> Still would be nice to get your (or community) feedback on my
>> previous proposals to localize custom logic inside ranges which
>> invalidate value returned from front.
>
> It sounds messy and error-prone, to be honest. And any range that needed to
> implement it and didn't would be broken.
>
> - Jonathan M Davis

I do agree with that. However, the current proposal have the same 
drawback but on the code that use the range.

Both solutions are messy IMO.