   }
 
   /// Set the `Result` of this `Deferred`, change its state to `DeferredState.determined`,
-  /// enqueue all notifications on the dispatch_queue, then return `true`.
+  /// enqueue all notifications on the DispatchQueue, then return `true`.
   /// Note that a `Deferred` can only be determined once. On subsequent calls, `determine` will fail and return `false`.
   /// This operation is lock-free and thread-safe.
   ///

      }

      if r != nil
      {
        p.deinitialize(count: 1)
        p.deallocate(capacity: 1)
        return false

  fileprivate func determine(_ result: Result<Value>) -> Bool
  {
    if !CAS(current: nil, new: nil, target: &r)
    { // this Deferred is already determined
      return false
    }

    let p = UnsafeMutablePointer<Result<Value>>.allocate(capacity: 1)
    p.initialize(to: result)

    // ensure that only one thread can succeed
    while true
    {
      if CAS(current: nil, new: p, target: &r)
