[swift-users] defaultCalendarForNewEvents is defined as optional however can't use optional binding to check if it's nil

[Filiz Topatan]

You were right! I was using Swift 3.2 and not Swift 4.0.

Thank you!

Filiz

On Wed, Jan 10, 2018 at 10:25 AM, Jordan Rose via swift-users <
swift-users at swift.org> wrote:

> Nothing specific. A lot of minor issues were corrected in the Xcode 9
> release with a nod towards maintaining source compatibility, and most of
> them weren't release-noted.
>
> Jordan
>
>
> On Jan 10, 2018, at 10:21, Filiz Kurban <filiz.kurban at gmail.com> wrote:
>
> Thanks for your response. I will check that now! In the meantime, is there
> a release note that states this? I have a stackover flow question on this
> and would love to resolve it.
>
> On Wed, Jan 10, 2018 at 10:13 AM, Jordan Rose via swift-users <
> swift-users at swift.org> wrote:
>
>> Hi, Filiz. Are you sure you're using Swift 4 and not the Swift 3
>> compatibility mode? 'defaultCalendarForNewEvents' was marked non-optional
>> in Swift 3 by accident and that was fixed in Swift 4.
>>
>> Jordan
>>
>>
>> On Jan 10, 2018, at 08:59, Filiz Kurban via swift-users <
>> swift-users at swift.org> wrote:
>>
>> Hello,
>>
>> I'm adding a new functionality in my app, which is the ability to add an
>> event in the default calendar set up on the phone. In the implementation, I
>> get the permission and am ready to add the event. I check to see if there
>> is an actual default calendar through the use of optional binding, but I
>> get the error:
>>
>> Initializer for conditional binding must have Optional type, not
>> 'EKCalendar'
>>
>> Now, defaultCalendarForNewEvents is an Optional (see declaration below)
>> and it should be perfectly fine to use optional binding to check if it's
>> nil or not. What am I missing?
>>
>> defaultCalendarForNewEvents definition in EKEventStore.h:
>>
>> open var defaultCalendarForNewEvents: EKCalendar? { get }
>>
>>
>> I'm using Swift 4 on iOS11.2
>>
>> if let defaultCalendar = eventStore.defaultCalendarForNewEvents { <-- error line
>>     newEvent.title = "Some Event Name"
>>     newEvent.startDate = Date()
>>     newEvent.endDate = Date()}
>>
>>
>> Thank you for your help in advance.
>>
>>
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>
>
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