Question

How to declare variable with datatype in rust

Answer 1

fn main() {
    let n: i32 = 42;
    let f: f32 = 3.14;
    let ch: char = 'a';
    let s = String::from("abc");
    
    println!("{:?}", n);
    println!("{:?}", f);
    println!("{:?}", ch);
    println!("{:?}", s);
}


     
/*
run:
  
42
3.14
'a'
"abc"
  
*/

 

70+ SQL courses for beginners and professionals