Rust 04

/// https://kaisery.github.io/trpl-zh-cn/ch03-05-control-flow.html
/// 控制流
fn main() {
   println!("Hello, world!");

   let number = 3;
   println!("First number is {number}");
   let number = 7;
   if number < 5 {
       println!("condition was true, number less than five.");
   }else{
       println!("condition was false, number greater or equals to five.");
   }

   let number = 6;
   if number % 4 == 0 {
       println!("number is divisible by 4");
   }else if number % 3 == 0 {
       println!("number is divisible by 3");
   }else if number %2 == 0 {
       println!("number is divisible by 2");
   }else{
       println!("number is not divisible by 4 , 3 or 2");
   }

   let condition = true;
   let number = if condition {5} else {6};

   println!("The value of number is: {number}");

   let mut counter = 0;
   let result = loop {
       counter += 1;
       if counter == 10 {
           break counter * 2;
       }
   };

}

///
/// https://kaisery.github.io/trpl-zh-cn/ch03-05-control-flow.html
/// 控制流
///
fn main() {
    println!("Hello, world!");
    let mut number = 3;
    while number != 0 {
        println!("{number}!");
        number -= 1;
    }

    println!("LIFTOFF!!!")
}

这里记录的是Rust的控制流,也就是判定,类似Python的语法,在if后面是不需要加括号的.