Which swift version are you using? Your code works correctly for me on Swift 2.2 in the Playgrounds, apart from the wrong letter casing of the argument label (should be `URL`, not `url`).
On the separate note, your usecase seems like a great place for writing an extension of NSMutableURLRequest instead of inheriting from it. Best, Krzysztof On 30 May 2016 at 21:00:12, Michal Kalinowski via swift-users ([email protected]) wrote: Hello, I'm subclassing NSMutableURLRequest to patch lack of httpBody property. My subclass doesn't implement any initialisers so it inherits all the designated initialisers. From what I understand, since all designated initialisers are implemented(inherited) then I should also inherit convenience initialisers. My code: class safe_NSMutableURLRequest: NSMutableURLRequest { #if os(Linux) var httpBody: NSData? #endif } let someURL = NSURL(string: "https://google.com";)! let request = safe_NSMutableURLRequest(url: someURL) the last line produces an error: error: incorrect argument label in call (have 'url:', expected 'coder:') Could you please explain me why I'm not inheriting convenience initialiser? Regards, Michal Kalinowski _______________________________________________ swift-users mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-users
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