Function polars_core::prelude::call_categorical_merge_operation

source ยท 
pub fn call_categorical_merge_operation<I: CategoricalMergeOperation>(
    cat_left: &CategoricalChunked,
    cat_right: &CategoricalChunked,
    merge_ops: I
) -> PolarsResult<CategoricalChunked>
Available on crate feature dtype-categorical only.