swift2 - What's the Swift 2.0 equivalent to parse.com's signUpInBackgroundWithBlock:()? -

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i got follow error when attempting build parse.com project via xcode 7.0/swift 2.0:

enter image description here

there work around this?
what's swift 2.0 equiv.?

you can either: 

user.signupinbackgroundwithblock { (succeeded: objcbool, error: nserror?) -> void in     // }

or

user.signupinbackgroundwithblock { succeeded, error in     // }

--

note, xcode can show appropriate types. example, if start type , let code completion show me method, see like:

enter image description here

if hit enter , select block: pfbooleanresultblock? , hit enter again, i'll see:

enter image description here

that shows me precisely types 2 parameters are.


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