 }
 
 
-/// creates the index element e.g. "2 of 3"
+/// the index element e.g. "2 of 3"
 public struct ProgressIndex: ProgressElementType {
     public func value(progressBar: ProgressBar) -> String {
         return "\(progressBar.index) of \(progressBar.count)"

}


public struct ProgressPercent: ProgressElementType {
    public func value(progressBar: ProgressBar) -> String {
        let percentDone = Double(progressBar.index) / Double(progressBar.count) * 100

}


/// the time estimates e.g. "ETA: 00:00:02 (at 1.00 it/s)"
public struct ProgressTimeEstimates: ProgressElementType {
    public func value(progressBar: ProgressBar) -> String {
        let totalTime = CFAbsoluteTimeGetCurrent() - progressBar.startTime
