anchor.diff:      /// <param name="n">The maximum number of items to take.</param>
       /// <param name="flow">The input CloudFlow.</param>
       /// <returns>The resulting CloudFlow.</returns>
  -    let inline take (n : int) (flow: CloudFlow<'T>) : CloudFlow<'T> =
  +    let take (n : int) (flow: CloudFlow<'T>) : CloudFlow<'T> =
           let collectorF (cloudCts : ICloudCancellationTokenSource) =
               local {
                   let results = new List<List<'T>>()
  
positive.code:     /// <param name="predicate">A function to test each source element for a condition.</param>
      /// <param name="flow">The input cloud flow.</param>
      /// <returns>true if any element satisfies the predicate. Otherwise, returns false.</returns>
      let inline exists (predicate : 'T -> bool) (flow : CloudFlow<'T>) : Cloud<bool> =
          cloud {
              let! result = tryFind predicate flow
              return
  
negative.code:     /// <param name="flow">The input cloud flow.</param>
      /// <returns>The first element for which the chooser returns Some, or raises KeyNotFoundException if every element evaluates to None.</returns>
      /// <exception cref="System.KeyNotFoundException">Thrown if every item of the cloud flow evaluates to None when the given function is applied.</exception>
      let pick (chooser : 'T -> 'R option) (flow : CloudFlow<'T>) : Cloud<'R> =
          cloud {
              let! result = tryPick chooser flow
              return
  