I wonder if there’s a way to avoid a swiftc crash, because this would be deeply
cool if it worked at all:
---
// Swift 1.2, Xcode 6.3.1, OS X
import Cocoa
class AppDelegate: NSObject, NSApplicationDelegate {
@IBOutlet var textView: NSTextView!
func somethingHappened(aParameter: Int) {
// ...
println("Something happened with code \(aParameter)",
&textView)
// ...
}
}
extension NSTextView : OutputStreamType {
public func write(string: String) {
let attrString = NSAttributedString(string: string) as! NSTextStorage
self.textStorage?.appendAttributedString(attrString)
}
}
---
Unfortunately, swiftc and SourceServer crash. They _may_ be crashing because
it’s a syntax error: The definition of OutputStreamType plainly contemplates a
struct, and I’m nervous using a view outlet as an inout parameter, but the same
thing happens when I try wrapping the view or .textStorage in a struct.
I can work around, but I am jonesing for my deeply cool println. Can anyone
think of a way to make it work, or must I wait for my Radar to come through (if
ever)?
[xcode-user because it’s an issue with a particular instance of the compiler,
and not the language or Cocoa themselves.]
rdar://20685433
— F
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