1.. highlight:: c
2
3.. _boolobjects:
4
5Boolean Objects
6---------------
7
8Booleans in Python are implemented as a subclass of integers.  There are only
9two booleans, :const:`Py_False` and :const:`Py_True`.  As such, the normal
10creation and deletion functions don't apply to booleans.  The following macros
11are available, however.
12
13
14.. c:function:: int PyBool_Check(PyObject *o)
15
16   Return true if *o* is of type :c:data:`PyBool_Type`.
17
18
19.. c:var:: PyObject* Py_False
20
21   The Python ``False`` object.  This object has no methods.  It needs to be
22   treated just like any other object with respect to reference counts.
23
24
25.. c:var:: PyObject* Py_True
26
27   The Python ``True`` object.  This object has no methods.  It needs to be treated
28   just like any other object with respect to reference counts.
29
30
31.. c:macro:: Py_RETURN_FALSE
32
33   Return :const:`Py_False` from a function, properly incrementing its reference
34   count.
35
36
37.. c:macro:: Py_RETURN_TRUE
38
39   Return :const:`Py_True` from a function, properly incrementing its reference
40   count.
41
42
43.. c:function:: PyObject* PyBool_FromLong(long v)
44
45   Return a new reference to :const:`Py_True` or :const:`Py_False` depending on the
46   truth value of *v*.
47