Merge pull request #21265 from moiseev/scenekit-switch-default

moiseev · web-flow · commit bdc68189bfb1 · 2018-12-13T11:53:37.000-08:00
Use @unknown default in a switch over SCNGeometryPrimitiveType
diff --git a/stdlib/public/Darwin/SceneKit/SceneKit.swift.gyb b/stdlib/public/Darwin/SceneKit/SceneKit.swift.gyb
@@ -164,6 +164,8 @@ extension SCNGeometryElement {
       primitiveCount = indexCount
     case .polygon:
       fatalError("Expected constant number of indices per primitive")
+    @unknown default:
+      fatalError("Unexpected primitive type")
     }
     self.init(
       data: Data(bytes: indices, count: indexCount * MemoryLayout<IndexType>.stride),

Original file line number	Diff line number	Diff line change
`@@ -164,6 +164,8 @@ extension SCNGeometryElement {`
`164`	`164`	`primitiveCount = indexCount`
`165`	`165`	`case .polygon:`
`166`	`166`	`fatalError("Expected constant number of indices per primitive")`
	`167`	`+ @unknown default:`
	`168`	`+ fatalError("Unexpected primitive type")`
`167`	`169`	`}`
`168`	`170`	`self.init(`
`169`	`171`	`data: Data(bytes: indices, count: indexCount * MemoryLayout<IndexType>.stride),`