> 在 2016年7月18日，02:08，Dmitri Gribenko 写道：
>
> On Sun, Jul 17, 2016 at 2:00 AM, 张国晔 via swift-evolution
> wrote:
>> I'm building an document-based app, and I'm having a problem regarding to
>> Set.
>>
>> What I hope to achieve is to have a
> 在 2016年7月17日，17:44，Tino Heth <2...@gmx.de> 写道：
>
>
>> What I hope to achieve is to have a Set of unique objects by their
>> references. For example, I might put in two rectangles with the same height
>> and width (which makes them equal, but they are still different instances).
> I guess th
I'm building an document-based app, and I'm having a problem regarding to Set.
What I hope to achieve is to have a Set of unique objects by their references.
For example, I might put in two rectangles with the same height and width
(which makes them equal, but they are still different instances)
Functions in Swift can have default parameters or discardable result, but
without inlining, calling them could be suboptimal in performance.
I propose a solution which compiler generates specializations of those
functions, hence more optimization can be performed for specific usage.
This can al
