{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"if"}]}
                if let mbe::TokenTree::Token(ident) = ident
            let has_compile_error = d.tts.array_windows::<3>().any(|[ident, bang, args]| {
                    && let TokenKind::Ident(ident, _) = ident.kind