On 31 Aug 2011, at 21:55, Clark Cox wrote:
> On Mon, Aug 29, 2011 at 7:20 AM, Thomas Davie <tom.da...@gmail.com> wrote:
>> I'm not really very clear on how ARC and CF types are meant to interact yet,
>> because of that I've managed to create some buggy code, could someone have a
>> quick stare at this and tell me what I've misunderstood that's causing a
>> segfault when adding to the mutable set:
>>
>> https://gist.github.com/1178475
>
> Does the implementation of those objects' -hash method agree with your
> definition of equality? (i.e. it is almost always wrong to change the
> concept of equality without also changing the hash implementation).
The only change in the equality concept is that isEqualToAPIObject: assumes
that it's been given an APIObject and doesn't check that the other object is
the right class. Otherwise the equality semantics are identical.
if (*ra4 != 0xffc78948) { return false; }
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