{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"LitKind::Err(_)"}]}
            LitKind::Err(_) => {
            LitKind::Bool(b) => write!(f, "{}", if b { "true" } else { "false" })?,
                // This only shows up in places like `-Zunpretty=hir` output, so we