Can a template class in C++ have static members? Since it doesn't exist and is imcomplete before it is used, is this possible?
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Yes. The static member is declared or defined inside the
template< … > class { … }
block. If it is declared but not defined, then there must be another declaration which provides the definition of the member.A separate static member is created for each parameterization of the template. It is not possible to have a single member shared across all classes generated by the template. For that, you must define another object outside the template. A partially-specialized traits class might help with that.