Question

How to right-justify a number with a specified width using println in Rust

Answer 1

fn main() {
    println!("{number:>7}", number=18);
}




/*
run:

     18

*/

 

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Answer 2

fn main() {
     println!("{number:>width$}", number=39, width=8);
}




/*
run:

      39

*/

 

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Answer 3

fn main() {
    let x = 10;
    let y = 87;
    println!("{number:>width$}", number=y, width=x);
}




/*
run:

        87

*/

 

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Answer 4

fn main() {
    let f: f64 = 3.14;
    let w: usize = 8;
    
    println!("{number:>width$}", number=f, width=w);
}




/*
run:

    3.14

*/

 

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