Function polars_core::utils::any_values_to_supertype_and_n_dtypes

source · 
pub fn any_values_to_supertype_and_n_dtypes<'a, I>(
    values: I
) -> PolarsResult<(DataType, usize)>
where
    I: IntoIterator<Item = &'a AnyValue<'a>>,
Expand description

Determine the supertype and the number of unique data types of a collection of AnyValue.