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);