     if i >= 0 && i < count {
       return ("[\(i)]",reflect(_a[i]))
     }
-    _fatalError("don't ask")
+    _fatalError("Mirror access out of bounds")
   }
   
   var summary: String { return "\(count) elements" }

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

  
  var count: Int { get { return 0 } }
  
  subscript(_: Int) -> (String,Mirror) { get { _fatalError("Mirror access out of bounds") } }
  
  var summary: String { get { return _u.absoluteString } }
  
