Proposal: takeFront and takeBack

[Roman D. Boiko]

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.