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- import Foundation
- class UppercaseFormatter : Formatter {
- override func string(for obj: Any?) -> String? {
- if let stringValue = obj as? String {
- return stringValue.uppercased()
- }
- return nil
- }
- override func getObjectValue(_ obj: AutoreleasingUnsafeMutablePointer<AnyObject?>?, for string: String, errorDescription error: AutoreleasingUnsafeMutablePointer<NSString?>?) -> Bool {
- obj?.pointee = string as AnyObject
- return true
- }
- }
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