#15367: Empty lists while creating parents
-------------------------------------+-------------------------------------
Reporter: roed | Owner:
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-6.1
Component: coercion | Resolution:
Keywords: | Merged in:
Authors: Nils Bruin | Reviewers: Simon King
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/nbruin/ticket/15367 | 719cdec176875685142039dce297a7fd8ae4143b
Dependencies: | Stopgaps:
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Changes (by SimonKing):
* status: needs_review => needs_info
Comment:
In `MonoDict.set`, there is
{{{
cursor = self.lookup(<PyObject*><void*>k)
if cursor.key_id == NULL or cursor.key_id == dummy:
...
}}}
''without'' saying that `cursor` is `cdef mono_cell*`. Similar things
happen in `MonoDict.iteritems`, `Monodict_traverse` and `MonoDict_clear`,
and also in `TripleDict.set`, `TripleDict.iteritems`,
`TripleDict_traverse` and `TripleDict_clear`.
First question: Why does it not crash? Even if there is a good reason for
not crashing: Shouldn't it be `cdef mono_cell*`d resp. `cdef
triple_cell*`d in order to improve performance?
--
Ticket URL: <http://trac.sagemath.org/ticket/15367#comment:55>
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