Rust:剑指C++
Rust:极富活力和前途的编程语言,剑指C++
今天开始学习Rust,马上要回去休息了,只贴上一段实例代码,在后续的学习中,会对这种语言进行一个详尽的介绍(学习中。。。。)。
extern crate rand;
use std::io;
use std::cmp::Ordering;
use rand::Rng;
fn main() {
println!("This is the test for guessing number!");
let secret_number = rand::thread_rng().gen_range(1,101);
//println!("the secret_number is {}",secret_number);
loop{
println!("Please input your guess");
let mut guess=String::new();
io::stdin().read_line(&mut guess)
.ok()
.expect("Failed to read line");
let guess: u32 = match guess.trim().parse(){
Ok(num) => num,
Err(_) => continue,
};
println!("You guessed:{}",guess);
match guess.cmp(&secret_number){
Ordering::Less => println!("To small"),
Ordering::Greater =>println!("Too big"),
Ordering::Equal =>{
println!("You Win");
break;
}
}
}
}
据说这种语言编程效率很高,_,学习学习!
本文来自博客园,作者:litengyao,转载请注明原文链接:https://www.cnblogs.com/litengyao/p/4652602.html