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