[swift-users] Cleaner way than if let initialization?
Daniel Tartaglia
danielt1263 at gmail.com
Thu Aug 4 14:41:16 CDT 2016
That’s not possible. stringFromDate requires an NSDate, but dob is an optional<NSDate>
> On Aug 4, 2016, at 2:59 PM, Saagar Jha <saagar at saagarjha.com> wrote:
>
> As such, there shouldn’t be a need for an if; `let dobString = serverDateFormatter.stringFromDate(dob)` should be sufficient.
>
> Saagar Jha
>
>
>
>> On Aug 4, 2016, at 11:55, Zhao Xin via swift-users <swift-users at swift.org <mailto:swift-users at swift.org>> wrote:
>>
>> It can't be done by ?? as stringFromDate(Date) returns String instead of String?
>>
>> Zhaoxin
>>
>>
>> On Fri, Aug 5, 2016 at 1:42 AM, Jeff Kelley via swift-users <swift-users at swift.org <mailto:swift-users at swift.org>> wrote:
>> That’s where I would use the ?? operator:
>>
>> let dobString = serverDateFormatter.stringFromDate(dob) ?? ""
>>
>>
>> Jeff Kelley
>>
>> SlaunchaMan at gmail.com <mailto:SlaunchaMan at gmail.com> | @SlaunchaMan <https://twitter.com/SlaunchaMan> | jeffkelley.org <http://jeffkelley.org/>
>>> On Aug 4, 2016, at 1:32 PM, Daniel Tartaglia via swift-users <swift-users at swift.org <mailto:swift-users at swift.org>> wrote:
>>>
>>> Currently I do stuff like this:
>>>
>>> let dobString: String
>>> if let dob = dob {
>>> dobString = serverDateFormatter.stringFromDate(dob)
>>> }
>>> else {
>>> dobString = ""
>>> }
>>>
>>> Is there a better, more idiomatic, way to do this sort of thing?
>>>
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>>
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