For now
http://docs.python.org/3/extending/newtypes.html#supporting-cyclic-garbage-collection
at first the doc demonstrate long way than note Py_CLEAR and Py_VISIT macroses.
I like to remove code similar to
if (self->first) {
vret = visit(self->first, arg);
if (vret != 0)
return vret;
}
and
tmp = self->first;
self->first = NULL;
Py_XDECREF(tmp);
and replace those to Py_VISIT and Py_CLEAN.
I think we have to demonstrate best practices in our examples.
Let's py2.7 branch live untouched, change only docs for python 3.x
Any objections?
--
Thanks,
Andrew Svetlov
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