forked from boostorg/fusion
Fixes #163. Since C++11 we can do SFINAE in template parameters. VS2017 15.5 doesn't like the SFINAE on argument here, but do not ask me why, because I have no idea.
Fixes #163. Since C++11 we can do SFINAE in template parameters. VS2017 15.5 doesn't like the SFINAE on argument here, but do not ask me why, because I have no idea.