class_docstr: Uses the same visitor pattern as c_ast.NodeVisitor, but modified to
  return a value from each visit method, using string accumulation in
  generic_visit.
class_docstr_tok: ["Uses","the","same","visitor","pattern","as","c_ast.NodeVisitor",",","but","modified","to","return","a","value","from","each","visit","method",",","using","string","accumulation","in","generic_visit","."]
code: def generic_visit(self, node):
      if node is None:
          return ""
      else:
          return "".join(self.visit(c) for c_name, c in node.children())
  
imports: from .None import c_ast
label_desc: Use image node_id 4 for calling the CGenerator obj's underlying member method code with example usage: obj.generic_visit(node) and returns: str, str