D-Programming-Language/phobos — pull request #2049 by AndrejMitrovic (2014-03-24 18:54:10+00:00)
Title: std.getopt: Add character-separated elements support for arrays and associative arrays

I sure hope I got this right. I do love writing templates in D. :>

https://d.puremagic.com/issues/show_bug.cgi?id=5316