On Tue, Dec 23, 2014 at 1:03 PM, Jeff Walden <jwalden+...@mit.edu> wrote:
> On 12/23/2014 10:48 AM, L. David Baron wrote:
>> Our convention has always been to pass raw pointers, generally with
>> the assumption that the caller is expected to ensure the pointer
>> lives across the function call.
>
> Like Eric, I would like us to move away from this convention over time, or at 
> least stay away from it in the places that are fresher and better-adjusted.

As long as we can do that without incurring extra overhead. An
addref/release pair is fairly expensive for objects that are cycle
collected.

I guess passing references to an nsRef/COMPtr is a way to avoid
passing a raw pointer while also avoiding extra addrefs/releases. But
it's pretty ugly and also has a runtime cost.

/ Jonas
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