{"ast_node_type":"function","tokens":[{"end":77,"kind":"keyword","start":0,"text":"assert_eq!(completion_list(r#\"fn"}]}
    assert_eq!(completion_list(r#"fn foo() { for i in$0 }"#), String::new());
    assert_eq!(completion_list(r#"fn foo() { for i i$0 }"#), String::new());
}