 	/// The arguments that should be passed to `xcodebuild` to help it locate
 	/// this project.
 	private var arguments: [String] {
-		switch (self) {
+		switch self {
 		case let .Workspace(URL):
 			return [ "-workspace", URL.path! ]
 

	/// Attempts to parse a platform name from a string returned from
	/// `xcodebuild`.
	public static func fromString(string: String) -> Result<Platform> {
		switch (string) {
		case "macosx":
			return success(.MacOSX)



	let locatorSignal = locateProjectsInDirectory(directoryURL)
	return locatorSignal.filter { (project: ProjectLocator) in
			switch project {
			case .ProjectFile:
				return true

