Swift: how to change a property's value without calling its didSet function

Question

How can you set a property's value in Swift, without calling its didSet() function outside of an initialization context? The code below was a failed experiment to achieve this within the classes' noside() function

class Test
{
    var toggle : Bool = 0
    var hoodwink : Int = 0 {
        didSet(hoodwink)
        {
            toggle = !toggle
        }
    }

// failed attempt to set without a side effect

    func noside(newValue : Int)
    {
        hoodwink = newValue
        println("hoodwink: \(hoodwink) state: \(toggle)")
    }

    func withside(newValue : Int)
    {
        self.hoodwink = newValue
        println("hoodwink: \(hoodwink) state: \(toggle)")
    }
}

It is quite trivial to do in Objective-C with auto-synthesized properties:

With side effect (if present in setter):

self.hoodwink = newValue;

Without side effect:

_hoodwink = newValue;

Answer 1

A possible hack around this is to provide a setter which bypasses your didSet

 var dontTriggerObservers:Bool = false
    var selectedIndexPath:NSIndexPath? {
        didSet {
            if(dontTriggerObservers == false){
                //blah blah things to do
            }
        }
    }
    var primitiveSetSelectedIndexPath:NSIndexPath? {
        didSet(indexPath) {
            dontTriggerObservers = true
            selectedIndexPath = indexPath
            dontTriggerObservers = false
        }
    }

Ugly but workable