Ah I see... So it's the const-ness of the object itself and not the reference
that is controlling which operator[] gets used. That makes sense to me now.
I'm still not sure what is happening with all that memory though. I'm asking
for a reference so I don't expect that I own what is returned yet it seems to
be making a deep copy each time and not freeing that memory since in seconds
the memory use of the process sky-rockets until the whole system starts
thrashing and eventually crashes and burns. Seems odd behaviour to get from a
couple of lines of code like that. Would never have expected that to be a
memory leak! Makes me wonder if I've done the same kind of mistake in other
places where it's not so noticeable...
--
Brad
On Jan 09, 2015, at 01:21 PM, Keith Gardner <kreios4...@gmail.com> wrote:
QList can return a const & with the [] operator [1]. The documantation even
says it's the same as .at().
[1] http://doc.qt.io/qt-5/qlist.html#operator-5b-5d-2
That is true if the QList is const when calling the function. If it is not,
the other operator [1] documentation describes the behavior.
[1] http://doc.qt.io/qt-5/qlist.html#operator-5b-5d
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