Or even
for item in someOptionalCollection ?? [] {
item.doSomething()
}
Saagar Jha
> On Feb 9, 2017, at 1:30 PM, Jeff Kelley via swift-users
> <swift-users@swift.org> wrote:
>
> You can do something like this:
>
> someOptionalCollection?.forEach { item in
> item.doSomething()
> }
>
> Or this:
>
> (someOptionalCollection as? [SomeType])?.forEach { item in
> item.doSomething()
> }
>
> Jeff Kelley
>
> slauncha...@gmail.com <mailto:slauncha...@gmail.com> | @SlaunchaMan
> <https://twitter.com/SlaunchaMan> | jeffkelley.org <http://jeffkelley.org/>
>> On Feb 9, 2017, at 4:26 PM, Rick Mann via swift-users <swift-users@swift.org
>> <mailto:swift-users@swift.org>> wrote:
>>
>> Is there any concise way to write the following?
>>
>> if let collection = someOptionalCollection
>> {
>> for item in collection
>> {
>> }
>> }
>>
>> I can imagine more complicated things, too:
>>
>> if let collection = someOptionalCollection as? [SomeType]
>> {
>> for item in collection
>> {
>> }
>> }
>>
>> It would be nice to be able to just attempt to iterate on an optional
>> collection (or Sequence?) and not have to write the enclosing if block
>>
>> Thanks!
>>
>> --
>> Rick Mann
>> rm...@latencyzero.com
>> <mailto:rm...@latencyzero.com>_______________________________________________
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