Re: Can an use introspection to determine if its a production app from the App Store?
Re: Can an use introspection to determine if its a production app from the App Store?
- Subject: Re: Can an use introspection to determine if its a production app from the App Store?
- From: Angela Brett <email@hidden>
- Date: Fri, 31 Oct 2014 18:58:02 +0100
Sent from my iPad
> On 31 oct. 2014, at 18:22, Fritz Anderson <email@hidden> wrote:
>
>> On 31 Oct 2014, at 6:40 AM, Charles Jenkins <email@hidden> wrote:
>>
>> My day job is programming in C# for Windows computers. I was really excited when Swift came out because it’s so similar to other languages I know well and use and admire.
>
> (Snip)
>
> An out-of-band value for “no result” has been a feature of programming languages since SQL’s NULL at least;
And of course, C#'s Nullable, which seems similar enough to Swift optionals (apart from only being necessary for value types) that I'm quite curious to know what makes optionals more objectionable. I also use C# in my day job and was happy to see Swift had some of its nicer features (nullables included) although I have to admit that part of the reason I liked C# in the first place was that it had some Objective-C-like features I liked.
Is the problem just that when working with Objective-C frameworks, you have to use optionals more often than you usually would? Or is it that you have to explicitly state when reference types are Nullable, whereas in C# they always are?
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