Function make_struct

arrow/tests/array_equal.rs:1339–1372

(elements: Vec<Option<(Option<&'static str>, Option<i32>)>>)

}

fn make_struct(elements: Vec<Option<(Option<&'static str>, Option<i32>)>>) -> StructArray {
    let mut builder = StructBuilder::new(
        vec![
            Field::new("f1", DataType::Utf8, true),
            Field::new("f2", DataType::Int32, true),
        ],
        vec![
            Box::new(StringBuilder::new()),
            Box::new(Int32Builder::new()),
        ],
    );

    for element in elements {
        match element.and_then(|e| e.0) {
            None => builder
                .field_builder::<StringBuilder>(0)
                .unwrap()
                .append_null(),
            Some(s) => builder
                .field_builder::<StringBuilder>(0)
                .unwrap()
                .append_value(s),
        };

        builder
            .field_builder::<Int32Builder>(1)
            .unwrap()
            .append_option(element.and_then(|e| e.1));

        builder.append(element.is_some());
    }

    builder.finish()
}

#[test]
fn test_struct_equal_slice() {