{"ast_node_type":"variable","tokens":[{"end":97,"kind":"keyword","start":0,"text":"let"}]}
                            let t2 = tt::Ident::new(&format!("{}_other", first.sym), first.span);
                            let t1 = tt::Ident::new(&format!("{}_self", first.sym), first.span);
                            quote!(span =>#t1 .eq( #t2 ))