{"ast_node_type":"function","tokens":[{"end":79,"kind":"keyword","start":0,"text":"do_check(r#\"fn"}]}
        do_check(r#"fn foo<T>() where T: $0Copy+Display"#, &["Copy", "Copy+"]);
        do_check(r#"fn foo<T>() where T: $0Copy +Display"#, &["Copy", "Copy +"]);
        do_check(r#"fn foo<T>() where T: Copy + $0Display"#, &["Display", "+ Display"]);