class IDL::AST::Module

def copy_from(_template, _context)
  super
  if _template.has_anchor?
    # module anchor is first to be copied/instantiated and
    # should be registered in _context
    @anchor = IDL::AST::TemplateParam.concrete_param(_context, _template.anchor)
    # link ourself into module chain
    @anchor.find_last.set_next(self)
  end
  @next = nil # to be sure
  self
end