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#ifndef Py_TUPLEOBJECT_H
#define Py_TUPLEOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
/***********************************************************
Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Stichting Mathematisch
Centrum or CWI not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior permission.
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************/
/* Tuple object interface */
/*
123456789-123456789-123456789-123456789-123456789-123456789-123456789-12
Another generally useful object type is an tuple of object pointers.
This is a mutable type: the tuple items can be changed (but not their
number). Out-of-range indices or non-tuple objects are ignored.
*** WARNING *** settupleitem 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, gettupleitem does not increment the
returned item's reference count.
*/
typedef struct {
OB_VARHEAD
object *ob_item[1];
} tupleobject;
extern DL_IMPORT typeobject Tupletype;
#define is_tupleobject(op) ((op)->ob_type == &Tupletype)
extern object *newtupleobject PROTO((int size));
extern int gettuplesize PROTO((object *));
extern object *gettupleitem PROTO((object *, int));
extern int settupleitem PROTO((object *, int, object *));
extern object *gettupleslice PROTO((object *, int, int));
extern int resizetuple PROTO((object **, int, int));
/* Macro, trading safety for speed */
#define GETTUPLEITEM(op, i) ((op)->ob_item[i])
#ifdef __cplusplus
}
#endif
#endif /* !Py_TUPLEOBJECT_H */
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