[swift-users] Setting up properties

[Erica Sadun via swift-users]

For a friend:

This won't work.

class DerpController {
    private(set) var derp: Bool =  {
        return _findDerp() != nil
    }()
    
    private func _findDerp() -> AnyObject? {
        return nil
    }
}


but this works:

private func _findDerp() -> AnyObject? {
    return nil
}

class DerpController {
    private(set) var derp: Bool =  {
        return _findDerp() != nil
    }()
    
}

Is it because the var member cannot depend on another member during setup? 
Thanks in advance for insight.
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