Function downcast_mut_deep

libs/error-stack/tests/test_downcast.rs:43–58

()

#[test]
fn downcast_mut_deep() {
    let mut report = create_report()
        .attach_opaque(AttachmentA(10))
        .change_context(ContextA(0))
        .attach_opaque(AttachmentB(0));

    let attachment = report
        .downcast_mut::<AttachmentA>()
        .expect("Attachment not found");
    attachment.0 += 10;

    let attachment = report
        .downcast_ref::<AttachmentA>()
        .expect("Attachment not found");
    assert_eq!(attachment.0, 20);
}

#[test]
fn downcast_mut_second_root() {