Oh wow, it's the debugLog() call! If that's inside the block, it fails to
compile.
> On Apr 24, 2017, at 14:18 , Rick Mann via swift-users <swift-users@swift.org>
> wrote:
>
> I could swear this was compiling a couple days ago, as I was making the call
> inside the block and dealing with issues around that.
>
> Can anyone explain what's going on here?
>
> class
> MyClass
> {
> func
> execute()
> {
> self.dataBuffer = Data(capacity: lgsImageDataSize)
>
> self.dataBuffer?.withUnsafeMutableBytes
> ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
> error: 'inout Data' is not convertible to 'Data'
>
> { (inBuffer) -> Void in
> some_call(inBuffer)
> debugLog("some_call() called")
> }
> }
>
> var dataBuffer: Data?
> }
>
> some_call() is a C function that looks like this:
>
> some_result* some_call(void* data);
>
> The generated interface in Xcode looks like:
>
> public func some_call(_ data: UnsafeMutableRawPointer!) ->
> OpaquePointer!
>
> I tried commenting out the call to some_call(), but I still get the error.
>
> --
> Rick Mann
> rm...@latencyzero.com
>
>
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--
Rick Mann
rm...@latencyzero.com
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