message: this should fix the MSVC builds... forgot to delete the duplicate line
diff: @@ -101,7 +101,6 @@ namespace detail
  ForEachTypeImpl(Callable& callable)
  : ForEachTypeImpl<Tail, Callable>(callable) {
  - callable.template operator()<value, Head>();
  #if defined(_MSC_VER) && _MSC_VER <= 1900
  callable.operator()<value, Head>();
  #else // _MSC_VER
  