None 物件¶

Note that thePyTypeObject forNone is not directly exposed in thePython/C API. SinceNone is a singleton, testing for object identity (using== in C) is sufficient. There is noPyNone_Check() function for thesame reason.

PyObject*Py_None¶

The PythonNone object, denoting lack of value. This object has no methodsand isimmortal.

在 3.12 版的變更:Py_None 為不滅的 (immortal)。

Py_RETURN_NONE¶

ReturnPy_None from a function.