Macro doe::vec_element_clone

macro_rules! vec_element_clone {
    ($vec:expr,$index:expr) => { ... };
}

clone element by index

use doe::*;
let v1 = vec_element_clone!(vec!["15.", "2.9"], 1);
let v2 = vec_element_clone!(vec![15, 2, 3, 2], 2);
let v3 = vec_element_clone!(vec![0.15, 0.2, 0.2], 0);
let v4 = vec_element_clone!(vec![format!("1"),format!("2"),format!("3"),format!("4"),format!("5")],4);
assert_eq!("2.9", v1);
assert_eq!(3, v2);
assert_eq!(0.15, v3);
assert_eq!(format!("5"), v4);