use std::iter::Iterator;

fn main() {

    let list: [i32; 10] = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
    let result: Vec<i32> = list.iter().filter_map(|&element|
        if element % 1 == 0 {
            Some(element)
        } else {
            None
        }
    ).collect();
    println!("{:?}", result);

}