Method MaybeAddRef

tensorflow/core/framework/node_def_builder.h:172–174

Makes dt a ref type if that is what the input_arg specifies.

  // Makes dt a ref type if that is what the input_arg specifies.
  DataType MaybeAddRef(const OpDef::ArgDef* input_arg, DataType dt) {
    return input_arg->is_ref() ? MakeRefType(dt) : dt;
  }

  // Returns true if an attr named `name` is already present in the node_def_.
  // If such an attr is already present and `value` is not equal to the present