Function arrow_array::cast::as_boolean_array
source · pub fn as_boolean_array(arr: &dyn Array) -> &BooleanArray
Expand description
Force downcast of an Array
, such as an ArrayRef
to
BooleanArray
, panicking on failure.
§Example
let arr: ArrayRef = Arc::new(BooleanArray::from_iter(vec![Some(true)]));
let boolean_array = as_boolean_array(&arr);