“used without template parameters”

Question

I realize similar questions have been asked before, but I read a couple of those and still don\'t see where I\'m going wrong. When I simply write my class without separating th

Answer 1

Try putting

template 

above the implementation of VisitedSet::getSize() -- but beware that, in general, templated classes and functions should all be inlined. See the c++ faq here for more information.