anchor.diff:              //let gen = Gen.choose(Int32.MinValue, Int32.MaxValue) doesn't work with random.fs, 
               //so using this trick instead
               let gen =
  -                Gen.two generate<DoNotSize<int16>>
  +                Gen.two generate<DoNotSize<uint16>>
                   |> Gen.map (fun (DoNotSize h,DoNotSize l) -> int ((uint32 h <<< 16) ||| uint32 l))
               fromGenShrink(gen, shrink)
               |> convert DoNotSize DoNotSize.Unwrap
  
positive.code:         ///Generate arbitrary uint32 that is unrestricted by size.
          [<Obsolete("Renamed to DoNotSizeUInt32.")>]
          static member DontSizeUInt32() =
              let gen = Gen.choose(0, int UInt32.MaxValue)
              fromGenShrink(gen, shrink)
              |> convert (uint32 >> DoNotSize) (DoNotSize.Unwrap >> int)
  
          ///Generate arbitrary uint32 that is unrestricted by size.
          static member DoNotSizeUInt32() =
              let gen = Gen.choose(0, int UInt32.MaxValue)
              fromGenShrink(gen, shrink)
              |> convert (uint32 >> DoNotSize) (DoNotSize.Unwrap >> int)
  
          ///Generate arbitrary int64 that is between -size and size.
          ///Note that since the size is an int32, this does not actually cover the full
  
negative.code:         [<Obsolete("Renamed to DoNotSizeInt64.")>]
          static member DontSizeInt64() =
              let gen =
                  Gen.two generate<DoNotSize<uint32>>
                  |> Gen.map (fun (DoNotSize h, DoNotSize l) -> int64 ((uint64 h <<< 32) ||| uint64 l))
              fromGenShrink (gen,shrinkNumber)
              |> convert DoNotSize DoNotSize.Unwrap
  
          ///Generate arbitrary int64 that is unrestricted by size.
          static member DoNotSizeInt64() =
              let gen =
                  Gen.two generate<DoNotSize<uint32>>
                  |> Gen.map (fun (DoNotSize h, DoNotSize l) -> int64 ((uint64 h <<< 32) ||| uint64 l))
              fromGenShrink (gen,shrinkNumber)
              |> convert DoNotSize DoNotSize.Unwrap
          
  