// strings2.rs // 在不改变函数签名的要求下通过编译! // 执行 `rustlings hint strings2` 获取提示 ;) // I AM NOT DONE fn main() { let word = String::from("green"); // 尝试不更改这一行 :) if is_a_color_word(word) { println!("That is a color word I know!");// 译:我知道这个颜色词 } else { println!("That is not a color word I know.");// 译:我不知道这个颜色词 } } // 译:是否是颜色词 fn is_a_color_word(attempt: &str) -> bool { attempt == "green" || attempt == "blue" || attempt == "red" }