       a.reserveCapacity(100)
 
       // Sort array
-      let _ = a.sorted { (a: Element, b: Element) in a < b }
+      _ = a.sorted { (a: Element, b: Element) in a < b }
       a.sort { (a: Element, b: Element) in a < b }
 
       // force specialization of append.

      var a = [Element](repeating: sampleValue, count: 1)

      // Read array element
      let _ =  a[0]

      // Set array elements
      for j in 1..<a.count {

      a[0] = sampleValue

      // Get count and capacity
      _ = a.count + a.capacity

      // Iterate over array
      for e in a {
