impl Spacebody {
 pub fn introduce() -> Spacebody {
 Spacebody {
 name: "Jerry",
 sex: "Male",
 location: Location {
 city: "Hangzhou",
 country: "China",
 },
 profession: "BackEnd",
 emails: vec!["510662916@qq.com", "jerryzyl18@gmail.com"],
 blog: "https://blog.yilin.dev",
 skills: vec!["Spring/SpringBoot", "Microservices", "Docker"],
 languages: vec!["Java", "C/C++", "Rust"],
 hobbies: vec!["Reading", "Photography"],
 status: vec![Status::BusyForWork, Status::EnjoyHolidays, Status::SeekTrueLove].choose(&mut rand::thread_rng()).unwrap().clone(),
 }
 }
}
#[derive(Debug)]
pub struct Spacebody {
 name: &'static str,
 sex: &'static str,
 location: Location,
 profession: &'static str,
 emails: Vec<&'static str>,
 blog: &'static str,
 skills: Vec<&'static str>,
 languages: Vec<&'static str>,
 hobbies: Vec<&'static str>,
 status: Status,
}
#[derive(Debug, Copy, Clone)]
enum Status {
 BusyForWork, 
 EnjoyHolidays,
 SeekTrueLove,
}
#[derive(Debug)]
struct Location {
 city: &'static str,
 country: &'static str
}
use rand::seq::SliceRandom;