多个/复合返回类型

def get_user_info():
    name = "John"
    age = 25
    gender = "Male"
    return [name, age, gender]

user_info = get_user_info()
name = user_info[0]
age = user_info[1]
gender = user_info[2]

struct UserInfo {
    std::string name;
    int age;
    std::string gender;
};

UserInfo get_user_info() {
    UserInfo user;
    user.name = "John";
    user.age = 25;
    user.gender = "Male";
    return user;
}

UserInfo user_info = get_user_info();
std::string name = user_info.name;
int age = user_info.age;
std::string gender = user_info.gender;

func get_user_info() -> (String, Int, String) {
    let name = "John"
    let age = 25
    let gender = "Male"
    return (name, age, gender)
}

let user_info = get_user_info()
let name = user_info.0
let age = user_info.1
let gender = user_info.2