[swift-corelibs-dev] Query on bridgeable classes

[Nethra Ravindran]

Thanks Philippe!

- Nethra Ravindran

On Tue, Feb 21, 2017 at 10:44 PM, Philippe Hausler <phausler at apple.com>
wrote:

> The reasoning why is that some classes are designed as a has-a
> relationship instead of an is-a relationship. For example a NSRunLoop has a
> CFRunLoopRef but a NSString is a CFStringRef. This means that you cannot
> pass a NSRunLoop to a function that takes a CFRunLoopRef by design.
> Where-as any method that takes a CFStringRef can take a NSString.
>
> The reasoning for this behavior is to match the behavior of the
> objective-c version of Foundation.
>
> On Feb 21, 2017, at 10:20 AM, Nethra Ravindran via swift-corelibs-dev <
> swift-corelibs-dev at swift.org> wrote:
>
> For example  NSURLComponents is not CFBridgeable.
>
> - Nethra Ravindran
>
> On Tue, Feb 21, 2017 at 3:01 PM, Alex Blewitt <alblue at apple.com> wrote:
>
>> Do you have a couple of examples that you're referring to?
>>
>> Alex
>>
>> On 21 Feb 2017, at 09:25, Nethra Ravindran via swift-corelibs-dev <
>> swift-corelibs-dev at swift.org> wrote:
>>
>> Hi everyone,
>>
>> To be more precise, I would like to know why few classes are not
>> CFBridgeable.
>>
>> Thank you.
>>
>> - Nethra Ravindran
>>
>> On Tue, Feb 21, 2017 at 2:20 PM, Nethra Ravindran <
>> nethraravindran94 at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I see that some classes are bridgeable and some are not. It would be
>>> great if someone can explain why few classes are not bridgeable.
>>>
>>> Thank you!
>>>
>>> - Nethra Ravindran
>>>
>>
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>>
>>
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