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cpython/Include/tupleobject.h at master · miss-islington/cpython · GitHub
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/* Tuple object interface */
#ifndef
Py_TUPLEOBJECT_H
#define
Py_TUPLEOBJECT_H
#ifdef
__cplusplus
extern
"C"
{
#endif
/*
Another generally useful object type is a tuple of object pointers.
For Python, this is an immutable type. C code can change the tuple items
(but not their number), and even use tuples are general-purpose arrays of
object references, but in general only brand new tuples should be mutated,
not ones that might already have been exposed to Python code.
*** WARNING *** PyTuple_SetItem does not increment the new item's reference
count, but does decrement the reference count of the item it replaces,
if not nil. It does *decrement* the reference count if it is *not*
inserted in the tuple. Similarly, PyTuple_GetItem does not increment the
returned item's reference count.
*/
#ifndef
Py_LIMITED_API
typedef
struct
{
PyObject_VAR_HEAD
PyObject
*
ob_item
[
1
];
/* ob_item contains space for 'ob_size' elements.
* Items must normally not be NULL, except during construction when
* the tuple is not yet visible outside the function that builds it.
*/
}
PyTupleObject
;
#endif
PyAPI_DATA
(
PyTypeObject
)
PyTuple_Type
;
PyAPI_DATA
(
PyTypeObject
)
PyTupleIter_Type
;
#define
PyTuple_Check
(
op
) \
PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_TUPLE_SUBCLASS)
#define
PyTuple_CheckExact
(
op
) (Py_TYPE(op) == &PyTuple_Type)
PyAPI_FUNC
(
PyObject
*
)
PyTuple_New
(
Py_ssize_t
size
);
PyAPI_FUNC
(
Py_ssize_t
)
PyTuple_Size
(
PyObject
*
);
PyAPI_FUNC
(
PyObject
*
)
PyTuple_GetItem
(
PyObject
*
,
Py_ssize_t
);
PyAPI_FUNC
(
int
)
PyTuple_SetItem
(
PyObject
*
,
Py_ssize_t
,
PyObject
*
);
PyAPI_FUNC
(
PyObject
*
)
PyTuple_GetSlice
(
PyObject
*
,
Py_ssize_t
,
Py_ssize_t
);
#ifndef
Py_LIMITED_API
PyAPI_FUNC
(
int
)
_PyTuple_Resize
(
PyObject
*
*
,
Py_ssize_t
);
#endif
PyAPI_FUNC
(
PyObject
*
)
PyTuple_Pack
(
Py_ssize_t
, ...);
#ifndef
Py_LIMITED_API
PyAPI_FUNC
(
void
)
_PyTuple_MaybeUntrack
(
PyObject
*
);
#endif
/* Macro, trading safety for speed */
#ifndef
Py_LIMITED_API
#define
PyTuple_GET_ITEM
(
op
,
i
) (((PyTupleObject *)(op))->ob_item[i])
#define
PyTuple_GET_SIZE
(
op
) (assert(PyTuple_Check(op)),Py_SIZE(op))
/* Macro, *only* to be used to fill in brand new tuples */
#define
PyTuple_SET_ITEM
(
op
,
i
,
v
) (((PyTupleObject *)(op))->ob_item[i] = v)
#endif
PyAPI_FUNC
(
int
)
PyTuple_ClearFreeList
(
void
);
#ifndef
Py_LIMITED_API
PyAPI_FUNC
(
void
)
_PyTuple_DebugMallocStats
(
FILE
*
out
);
#endif
/* Py_LIMITED_API */
#ifdef
__cplusplus
}
#endif
#endif
/* !Py_TUPLEOBJECT_H */
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