{"ast_node_type":"function","tokens":[{"end":50,"kind":"keyword","start":0,"text":"check(r#\"fn"}]}
        check(r#"fn foo() { $0bar()$0 }"#, "bar");
    fn no_args() {
        check(r#"fn foo() { $0bar.frobnicate()$0 }"#, "frobnicate");