Trait polars::export::arrow::array::DictionaryKey

source · [−]
pub trait DictionaryKey: NativeType + NumCast + FromPrimitive {
    const KEY_TYPE: IntegerType;
}
Expand description

Trait denoting NativeTypes that can be used as keys of a dictionary.

Associated Constants

The corresponding IntegerType of this key

Implementations on Foreign Types

Implementors