https://developer.apple.com/documentation/foundation/nsfilehandle/1410936-writedata?language=objc

2:31 AM

この辺のObjectiveC例外投げるからSwiftから使い物にならない族

2:31 AM

まとめて全部deprecatedになってた

2:31 AM

/* The API below may throw exceptions and will be deprecated in a future version of the OS. Use their replacements instead. */

(edited)

2:33 AM

- (nullable NSData *)readDataUpToLength:(NSUInteger)length error:(out NSError **)error API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0)) NS_REFINED_FOR_SWIFT;

@available(iOS 13.0, *) open func __readDataUp(toLength length: Int) throws -> Data

2:33 AM

Swift向けの名前がダブルアンスコの謎なやつになってる・・・

2:34 AM

https://developer.apple.com/documentation/foundation/nsfilehandle/3172528-readdatauptolength?language=objc

2:34 AM

ドキュメントにはSwift版が存在してない