Question

How to generate 20 digits random number in Rust

Answer 1

use rand::Rng;

fn main() {
    let mut rng = rand::thread_rng();
    
    let random_number: u128 = rng.gen_range(10000000000000000000..99999999999999999999);
    
    println!("Random 20-digit number: {}", random_number);
}



/*
run:
  
Random 20-digit number: 68222901072957437989
  
*/

 

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