public CityHash_Implementation(ICityHashConfig config)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
_config = config.Clone();
if (!_validHashSizes.Contains(_config.HashSizeInBits))
{
throw new ArgumentOutOfRangeException($"{nameof(config)}.{nameof(config.HashSizeInBits)}", _config.HashSizeInBits, $"{nameof(config)}.{nameof(config.HashSizeInBits)} must be contained within CityHash.ValidHashSizes.");
}
}