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Python in a Nutshell
book

Python in a Nutshell

by Alex Martelli
March 2003
Intermediate to advanced
656 pages
39h 30m
English
O'Reilly Media, Inc.
Content preview from Python in a Nutshell

Name

PyDict_Next

Synopsis

int PyDict_Next(PyObject* x,int* pos,PyObject** k,PyObject** v)

Iterates over items in dictionary x. You must initialize * pos to 0 at the start of the iteration: PyDict_Next uses and updates * pos to keep track of its place. For each successful iteration step, returns 1; when there are no more items, returns 0. Updates * k and * v to point to the next key and value respectively (borrowed references) at each step that returns 1. You can pass either k or v as NULL if you are not interested in the key or value. During an iteration, you must not change in any way the set of x’s keys, but you can change x’s values as long as the set of keys remains identical.

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Publisher Resources

ISBN: 0596001886Catalog PageErrata