Method keys

arrow-array/src/array/dictionary_array.rs:356–358

Return an array view of the keys of this dictionary as a PrimitiveArray.

(&self)

    /// Return an array view of the keys of this dictionary as a PrimitiveArray.
    pub fn keys(&self) -> &PrimitiveArray<K> {
        &self.keys
    }

    /// If `value` is present in `values` (aka the dictionary),
    /// returns the corresponding key (index into the `values`