Method set_while_ctx

tensorflow/core/graph/graph.h:301–305

  WhileContext* while_ctx() const { return while_ctx_; }
  void set_while_ctx(WhileContext* while_ctx) {
    DCHECK(IsExit());
    DCHECK(while_ctx_ == nullptr);
    while_ctx_ = while_ctx;
  }

 private:
  friend class Graph;