parameters: (self, name)
return_statement: return self._functions.get(name, None)
docstring: Returns the function definition for 'name'.
  
      Args:
        name: string function name.
      Returns:
        The function def proto.
docstring_summary: Returns the function definition for 'name'.
docstring_tokens: Returns the function definition for name .
function: def _get_function(self, name):
      """Returns the function definition for 'name'.
  
      Args:
        name: string function name.
      Returns:
        The function def proto.
      """
      return self._functions.get(name, None)
function_tokens: def _get_function ( self , name ) : return self . _functions . get ( name , None )