   var count: Int { get { return 0 } }
   
   subscript(i: Int) -> (String,Mirror) {
-    _fatalError("don't ask")
+    _fatalError("Mirror access out of bounds")
   }
   
   var summary: String {

  
  var count: Int { get { return 0 } }
  
  subscript(_: Int) -> (String,Mirror) { get { _fatalError("don't ask") } }
  
  var summary: String { get { return _u.absoluteString } }
  

    switch i {
      case 0: return ("location",reflect(_r.location))
      case 1: return ("length",reflect(_r.length))
      default: _fatalError("Mirror access out of bounds")
    }
  }
  
