code: def _list_chainer_functions():
      # List exported functions under chainer.functions.
      return [
          "chainer.functions.{}".format(name)
          for (name, func) in chainer.functions.__dict__.items()
          if isinstance(func, types.FunctionType)
      ]
  
file_path: chainer/docs/source/_autosummary_check.py
imports: import inspect
  import os
  import types
  import sphinx
  import chainer.functions
  import chainer.links
label_desc: Use image node_id 3 for calling a global function with example usage: _list_chainer_functions() and returns: unknown