Hi there,
I am curious about how an autoupdating type property like `NSTimeZone.local` could be implemented, given that it is a value (the type is TimeZone). The requirement essentially is that if the default timezone is changed, the change should reflect in all copies of this value.
import Foundation
let local = NSTimeZone.local
let local1 = local
print(local) //prints the default TimeZone
print(local1) //prints the default TimeZone
let t = TimeZone(identifier: "America/Chicago")!
NSTimeZone.default = t
print(local) //prints "America/Chicago (autoupdatingCurrent)
print(local1) //prints "America/Chicago (autoupdatingCurrent)
What makes it complicated is that TimeZone is a value type. I hope I am not missing something fundamental here!
Any ideas or information will be highly appreciated. Thanks!
Pushkar N Kulkarni,
IBM Runtimes
Simplicity is prerequisite for reliability - Edsger W. Dijkstra
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