Tiago d10ebc6555 Drop "Dummy" from enable_if in templates (#572) ...

Looks like this was here because of MSVC 2013 compat which is not
supported anymore

2017-11-03 16:18:59 -07:00

..

gsl

Drop "Dummy" from enable_if in templates (#572)

2017-11-03 16:18:59 -07:00