Method as_map_opt

arrow-array/src/cast.rs:1041–1043

(&self)

    }

    fn as_map_opt(&self) -> Option<&MapArray> {
        self.as_any().downcast_ref()
    }

    fn as_dictionary_opt<K: ArrowDictionaryKeyType>(&self) -> Option<&DictionaryArray<K>> {
        self.as_any().downcast_ref()