Method is_stateful

tensorflow/core/grappler/utils/functions.cc:115–115

GraphDef& GrapplerFunctionItem::mutable_function_body() { return graph; }

bool GrapplerFunctionItem::is_stateful() const { return is_stateful_; }

GrapplerFunctionItem& GrapplerFunctionItem::SwapFunctionBody(GraphDef&& other) {
  graph.Swap(&other);