anchor.diff:      let tryFindSliceIndex (slice: _ []) (source: _ []) =
           let index = Internals.FindSliceIndex.arrayImpl slice source
           if index = -1 then None else Some index
  +    #endif
   
   
   /// Additional operations on String
  
positive.code:                         tcs.SetResult results
                  t.ContinueWith (continuation, cancellationToken, TaskContinuationOptions.ExecuteSynchronously, TaskScheduler.Default) |> ignore)
              tcs.Task
  
      #endif
      type Async<'t> with
  
          /// Combine all asyncs in one, chaining them in sequence order.
  
negative.code:                         finally e3.Dispose () }
  #endif
  
  
  
  #if !FABLE_COMPILER
  
  /// Additional operations on Task<'T>
  [<RequireQualifiedAccess>]
  module Task =
  