Function polars::prelude::hor_str_concat  
source ยท pub fn hor_str_concat(
    cas: &[&ChunkedArray<StringType>],
    delimiter: &str,
    ignore_nulls: bool
) -> Result<ChunkedArray<StringType>, PolarsError>Available on crate feature 
polars-ops only.Expand description
Horizontally concatenate all strings.
Each array should have length 1 or a length equal to the maximum length.