Method _add_to_stack

tensorflow/python/ops/parallel_for/pfor.py:1291–1296

(x)

      # 1. Convert inputs and control inputs.

      def _add_to_stack(x):
        if x not in self._conversion_map:
          stack.insert(0, x)
          return True
        else:
          return False

      if is_inside_loop:
        added_to_stack = False