Method as_struct

arrow-array/src/cast.rs:912–914

Downcast this to a [`StructArray`] panicking if not possible

(&self)

    /// Downcast this to a [`StructArray`] panicking if not possible
    fn as_struct(&self) -> &StructArray {
        self.as_struct_opt().expect("struct array")
    }

    /// Downcast this to a [`UnionArray`] returning `None` if not possible
    fn as_union_opt(&self) -> Option<&UnionArray>;