pub fn arrays_to_columns<A: AsRef<dyn Array> + Send + Sync>(
arrays: &[A],
type_: ParquetType,
options: WriteOptions,
encoding: &[Encoding],
) -> PolarsResult<Vec<DynIter<'static, PolarsResult<Page>>>>
pub fn arrays_to_columns<A: AsRef<dyn Array> + Send + Sync>(
arrays: &[A],
type_: ParquetType,
options: WriteOptions,
encoding: &[Encoding],
) -> PolarsResult<Vec<DynIter<'static, PolarsResult<Page>>>>