Macro doe::vec_element_remove

macro_rules! vec_element_remove {
    ($vec:expr,$element:expr) => { ... };
}

find the fist element and remove

use doe::*;
let v1 = vec_element_remove!(vec!["15.", "2.9"], "2.9");
let v2 = vec_element_remove!(vec![15, 2, 3, 2], 2);
let v3 = vec_element_remove!(vec![0.15, 0.2, 0.2], 0.2);
assert_eq!(vec!["15."], v1);
assert_eq!(vec![15, 3, 2], v2);
assert_eq!(vec![0.15, 0.2], v3);