{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"assert_eq!(to_camel_case(\"A1_b2_c3\"),"}]}
    assert_eq!(to_camel_case("A1_b2_c3"), "A1B2C3");
    assert!(!is_camel_case("A1_b2_c3"));