ExtUtils::XSpp::Node − Base class for elements of the parser output
ExtUtils::XSpp::Node is a base class for all elements of the parser’s output.
Calls the "$self−"init(@_)> method after construction. Override "init()" in subclasses.
Called by the constructor. Every sub-class needs to override this.
Return a string to be output in the final XS file. Every sub-class must override this method.