Function polars::prelude::strings::split_to_struct   
source ยท pub fn split_to_struct<'a, F, I>(
    ca: &'a ChunkedArray<StringType>,
    by: &'a ChunkedArray<StringType>,
    n: usize,
    op: F,
    keep_remainder: bool
) -> Result<StructChunked, PolarsError>Available on crate features 
polars-ops and dtype-struct only.