[swift-evolution] Removal of dispatch_once() in Swift 3?

[William Shipley]

> 	private lazy var floorGeometryAndMaterialBacking: FloorPlatonicGeometryAndMaterial? = 
> 				try! FloorPlatonicGeometryAndMaterial(modelDirectory: self.modelDirectoryURL)

Oddly, the “self.” made all the difference in getting it to compile. I’m not clear why in this case, I guess there’s some part of the language I didn’t learn right. Thanks.

-W
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