pub struct Bot {
    name : String,
    lifetime : u32,
}

pub trait BotInfo {
    fn bot_info (&self) -> String
    {
        String::from("name : {}\nlifetime : {}\n", self.name, self.lifetime)
    }
}

impl BotInfo for Bot {}

fn main ()
{

    let bot : Bot = Bot {
        name : String::from("bot"),
        lifetime : 12,
    };

    bot.bot_info();
}