{"ast_node_type":"function","tokens":[{"end":83,"kind":"keyword","start":0,"text":"do_check(r#\"fn"}]}
        do_check(r#"fn foo<T: Copy + $0Display>() {}"#, &["Display", "+ Display"]);
        do_check(r#"fn foo<T: $0Copy+Display>() {}"#, &["Copy", "Copy+"]);
        do_check(r#"fn foo<T: Copy + $0Display + Sync>() {}"#, &["Display", "Display + "]);