/// <summary>
/// Returns a slice containing values in the specified range of the specified slice.
/// If the range matches the entire slice, the input slice will be returned.
/// Otherwise, a copy will be returned.
/// </summary>
/// <param name="slice"></param>
/// <param name="index"></param>
/// <param name="length"></param>
/// <returns></returns>
static Slice CompactSlice(Slice slice, int index, int length)
{
if (slice.IsCompact() && index == 0 && length == slice.Size)
{
return(slice);
}
return(Slices.CopyOf(slice, index, length));
}
