Function arrow_arith::boolean::is_null

pub fn is_null(input: &dyn Array) -> Result<BooleanArray, ArrowError>

Returns a non-null BooleanArray with whether each value of the array is null.

Error

This function never errors.

Example

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]));