extern crate rayon; // 1.0.2

use rayon::prelude::*;

fn main() {
    let numbers: Vec<_> = "12.03 0.3 44.2 45 zzz".split_whitespace().collect();

    numbers
        .par_iter()
        .map(|n| n.parse::<f32>())
        .filter_map(|n| n.ok())
        .for_each(|n| for_loop_body(n));
}

fn for_loop_body(n :f32){
    println!("{:?}", n);
}