{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"hir::ExprKind::MethodCall(_segment,"}]}
            hir::ExprKind::MethodCall(_segment, _recv, args, _span) => {
            }
                let Some((span, def_id, fn_gen_args)) = typeck_results_of_method_fn(cx, expr)