Converted to Swift 2

Author: Coen Wessels

SwiftBox/Layout+View.swift

@@ -22,7 +22,7 @@ extension Layout {
 		view.frame = CGRectIntegral(frame)
 
 		for (s, layout) in Zip2(view.subviews, children) {
-			let subview = s as! ViewType
+			let subview = s as ViewType
 			layout.apply(subview)
 		}
 	}

SwiftBox/Layout.swift

@@ -22,15 +22,15 @@ public struct Layout {
 	}
 }
 
-extension Layout: Printable {
+extension Layout: CustomStringConvertible {
 	public var description: String {
 		return descriptionForDepth(0)
 	}
 
 	private func descriptionForDepth(depth: Int) -> String {
 		let selfDescription = "{origin={\(frame.origin.x), \(frame.origin.y)}, size={\(frame.size.width), \(frame.size.height)}}"
 		if children.count > 0 {
-			let indentation = reduce(0...depth, "\n") { accum, _ in accum + "\t" }
+			let indentation = (0...depth).reduce("\n") { accum, _ in accum + "\t" }
 			let childrenDescription = indentation.join(children.map { $0.descriptionForDepth(depth + 1) })
 			return "\(selfDescription)\(indentation)\(childrenDescription)"
 		} else {

SwiftBox/Node.swift

@@ -112,7 +112,7 @@ public struct Node {
 	}
 
 	/// Lay out the receiver and all its children with an optional max width.
-	public func layout(maxWidth: CGFloat? = nil) -> Layout {
+    public func layout(maxWidth maxWidth: CGFloat? = nil) -> Layout {
 		let node = createUnderlyingNode()
 		if let maxWidth = maxWidth {
 			node.layoutWithMaxWidth(maxWidth)

SwiftBoxTests/SwiftBoxTests.swift

@@ -28,7 +28,7 @@ class SwiftBoxTests: XCTestCase {
 		])
 
 		let layout = parent.layout()
-		XCTAssert(count("\(layout)".utf16) > 0, "Has a description.")
+		XCTAssert("\(layout)".utf16.count > 0, "Has a description.")
     }
 
 	func testSizeParentBasedOnChildren() {