toffaletti/libten — pull request #78 by chipdude (2013-10-02 00:42:25+00:00)
Title: optional<> a la N3672

Standard optional<> will be slightly different from the one we've been using. Visibly: emplace becomes in_place, and "get_value_or(a,b)" becomes "a.value_or(b)".

Find it herein. Also find patchlets for double-conversion.