[Build] Move aside ASLayoutSpecPlayground-Swift for now, as it is causing an Xcode 8.0-specific build failure.

examples_extra/ASLayoutSpecPlayground-Swift/Sample/Sample.playground/Sources/StackLayout.swift

@@ -0,0 +1,31 @@
+import AsyncDisplayKit
+
+public class StackLayout: ASDisplayNode, ASPlayground {
+  public let titleNode    = ASTextNode()
+  public let subtitleNode = ASTextNode()
+
+  override public init() {
+    super.init()
+    backgroundColor = .white
+
+    automaticallyManagesSubnodes = true
+    setupNodes()
+  }
+
+  private func setupNodes() {
+    titleNode.backgroundColor = .blue
+    titleNode.attributedText = NSAttributedString.attributedString(string: "Headline!", fontSize: 14, color: .white, firstWordColor: nil)
+
+    subtitleNode.backgroundColor = .yellow
+    subtitleNode.attributedText = NSAttributedString(string: "Lorem ipsum dolor sit amet, sed ex laudem utroque meliore, at cum lucilius vituperata. Ludus mollis consulatu mei eu, esse vocent epicurei sed at. Ut cum recusabo prodesset. Ut cetero periculis sed, mundi senserit est ut. Nam ut sonet mandamus intellegebat, summo voluptaria vim ad.")
+  }
+
+  // This is used to expose this function for overriding in extensions
+  override public func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec {
+    return ASLayoutSpec()
+  }
+
+  public func show() {
+    display(inRect: .zero)
+  }
+}