On Wednesday, 5 February 2014 at 20:37:44 UTC, Sean Kelly wrote:
As for when this will be available... I will have a pull request sorted out shortly, so you could start playing with it soon. It being included in an actual release means a review and such, but as this is really just a fairly succinct change to an existing module, I hope it won't be terribly contentious.
https://github.com/D-Programming-Language/phobos/pull/1910