pub fn is_null(input: &dyn Array) -> Result<BooleanArray, ArrowError>
Returns a non-null [BooleanArray] with whether each value of the array is null.
This function never errors.
let a = BooleanArray::from(vec![Some(false), Some(true), None]); let a_is_null = is_null(&a).unwrap(); assert_eq!(a_is_null, BooleanArray::from(vec![false, false, true]));