Ticket to track progress of implementation to get cxxomfort to compile on MSVC 2012 and 2013; identification macro <tt>_MSC_VER >= 1700</tt> (platform untested as of latest 2018).

MSVC 2012 and 2013 have a number of variants with different levels of C++ support, such as the "November Update" and the CTRP. 

Example links for support status: [https://docs.microsoft.com/en-us/cpp/porting/visual-cpp-what-s-new-2003-through-2015?view=vs-2017|MSDN "What's New" (2012)], [https://stackoverflow.com/questions/7421825/c11-features-in-visual-studio-2012|StackOverflow on VS 2012].