Memorizes a function

def _onFunction(self, name, line, pos, absPosition,
                    keywordLine, keywordPos,
                    colonLine, colonPos, level,
                    isAsync, returnAnnotation):
        """Memorizes a function"""
        self.__flushLevel(level)
        f = Function(name, line, pos, absPosition, keywordLine, keywordPos,
                     colonLine, colonPos, isAsync, returnAnnotation)
        if self.__lastDecorators is not None:
            f.decorators = self.__lastDecorators
            self.__lastDecorators = None
        self.objectsStack.append(f)