cpython/Include/cpython/tupleobject.h at 3.8 · python/cpython · GitHub

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#ifndef Py_CPYTHON_TUPLEOBJECT_H

# error "this header file must not be included directly"

#endif

#ifdef __cplusplus

extern "C" {

#endif

typedef struct {

PyObject_VAR_HEAD

/* 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. */

PyObject *ob_item[1];

} PyTupleObject;

PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t);

PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *);

/* Macros trading safety for speed */

/* Cast argument to PyTupleObject* type. */

#define _PyTuple_CAST(op) (assert(PyTuple_Check(op)), (PyTupleObject *)(op))

#define PyTuple_GET_SIZE(op) Py_SIZE(_PyTuple_CAST(op))

#define PyTuple_GET_ITEM(op, i) (_PyTuple_CAST(op)->ob_item[i])

/* Macro, *only* to be used to fill in brand new tuples */

#define PyTuple_SET_ITEM(op, i, v) (_PyTuple_CAST(op)->ob_item[i] = v)

PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out);

#ifdef __cplusplus

}

#endif

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