parameters: (self)
return_statement: return self.index == self.number_of_lines
docstring: returns True if we are at the end of the file.
docstring_summary: returns True if we are at the end of the file.
docstring_tokens: returns True if we are at the end of the file .
function: def _at_end(self):
          """returns True if we are at the end of the file."""
          return self.index == self.number_of_lines
function_tokens: def _at_end ( self ) : return self . index == self . number_of_lines