use std::convert::TryFrom;

fn main() {
    let arr = [0; 16];
    let arr: [i32; 16] = <_>::try_from(
        &*arr
            .into_iter()
            .map(|it| it + 1)
            .collect::<Vec<_>>()
    ).unwrap();
    println!("{:?}", arr)
}