simple rust programs

start.rs

fn vector() -> Vec<i16> {
    let mut v : Vec<i16> = 
    Vec::<i16>::new() ; 
    
    v.push(10i16); 
    v.push(20i16); 
    v
    
}

fn many() {
    let mut sieve = [true; 1000] ; 
    for i in 2..100 {
        if sieve[i] {
            let mut j = i* i ; 
            while j < 1000 {
                sieve[j] = false; 
                j += i 
            }
        }
        
    }
    println!("{:?}" , sieve)
}
fn main() {
    println!("Hello, world!");
    let run = 
    vector();
    
    println!("{run:#?}" );
    
    many() ; 
        
    let lazy_caterer: [u32; 6] = [1, 2,3, 4, 5, 6 ] ; 
    
    let tax = ["animalia" , "Arthropoda" , "Insecta"]; 
    
    println!("{}", lazy_caterer[3] ); 
    
    
    
}