I tried to find an alternative init() to use, but couldn't (despite dozens of
releases, Xcode's code completion still fails much of the time). Thanks for
pointing me to the right one!
Should I file a bug?
> On Nov 14, 2017, at 17:47 , Jordan Rose <jordan_r...@apple.com> wrote:
>
> Heh, it would be nice to catch this. You're collecting a bunch of arguments
> in an Array, and then passing that array straight on as a single argument
> itself, which means it gets passed as either an NSArray or a pointer (not
> sure which). Use 'init(format:arguments:)' instead.
>
> Jordan
>
>
>> On Nov 14, 2017, at 17:19, Rick Mann via swift-users <swift-users@swift.org>
>> wrote:
>>
>> I've had a long-working `debugLog()` method that looks like this:
>>
>> ```
>> func
>> debugLog<T>(_ inMsg: T, file inFile : String = #file, line inLine : Int =
>> #line)
>> {
>> let file = (inFile as NSString).lastPathComponent
>> let s = "\(file):\(inLine) \(inMsg)"
>> print(s)
>> }
>> ```
>>
>> I wanted to add a version that works like `String(format:)`:
>>
>> ```
>> func
>> debugLog(format inFormat: String, file inFile : String = #file, line inLine
>> : Int = #line, _ inArgs: CVarArg...)
>> {
>> let s = String(format: inFormat, inArgs)
>> debugLog(s, file: inFile, line: inLine)
>> }
>>
>> ```
>>
>> While this compiles and executes, all of the values are zero for this
>> example:
>>
>> ```
>> let xc = CGFloat(1.0)
>> let yc = CGFloat(0.0)
>> let len = CGFloat(282.1364917907643)
>>
>> debugLog(format: "Pixel %f, %f length too far %f", xc, yc, len)
>> ```
>>
>> Output:
>>
>> ```
>> FisheyeImageRenderer.swift:108 Pixel 0.000000, 0.000000 length too far
>> 0.000000
>> ```
>>
>> Something is being misinterpreted in the passing of `inArgs: CVarArg...`
>>
>> TIA,
>>
>> --
>> Rick Mann
>> rm...@latencyzero.com
>>
>>
>>
>> _______________________________________________
>> swift-users mailing list
>> swift-users@swift.org
>> https://lists.swift.org/mailman/listinfo/swift-users
>
--
Rick Mann
rm...@latencyzero.com
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