anchor.diff:      let inline count (dictionary : IDictionary<'Key, 'T>) =
           dictionary.Count
   
  -    /// Gets the number of entries in the Dictionary as an unsigned integer.
  -    [<CompiledName("NatCount")>]
  -    let inline natCount (dictionary : IDictionary<'Key, 'T>) =
  -        Checked.uint32 dictionary.Count
  -
       /// Creates a mutable dictionary with the specified capacity.
       [<CompiledName("CreateMutable")>]
       let inline createMutable<'Key, 'T when 'Key : equality> (capacity : int) =
  
positive.code: /// Additional functional operators on sequences.
  [<RequireQualifiedAccess; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
  module Seq =
      /// Returns the length of the sequence as an unsigned integer.
      [<CompiledName("NatLength")>]
      let inline natLength (sequence : seq<'T>) =
          uint32 <| Seq.length sequence
  
      //
      [<CompiledName("AppendSingleton")>]
      let inline appendSingleton sequence (value : 'T) =
  
negative.code: /// Additional functional operators on sets.
  [<RequireQualifiedAccess; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
  module Set =
      //
      [<CompiledName("OfArrayView")>]
      let ofArrayView (view : ArrayView<'T>) : Set<'T> =
  