D-Programming-Language/phobos — pull request #862 by Dicebot (2012-10-11 15:01:31+00:00)
Title: Added returnsRef template to std.traits

According to implementation suggested by jerro here: http://forum.dlang.org/thread/olmxhltjnikjhkgnqdox@forum.dlang.org

As I have not yet noticed pull request for this nor objections for inclusion from jerro, bringing attention to it myself :)