Macro doe::vec_element_convert

macro_rules! vec_element_convert {
    ($vec:expr,$type:ty) => { ... };
}

convert vec elements type

use doe::*;
let v1: Vec<f64> = vec_element_convert!(vec![1, 2], f64);
let v2: Vec<i32> = vec_element_convert!(vec![1.0, 2.0], i32);
let v3: Vec<i128> = vec_element_convert!(vec![1.0, 2.0], i128);
let v4: Vec<i32> = vec_element_convert!(vec![1_usize, 2_usize], i32);
let v5: Vec<i64> = vec_element_convert!(vec![0.15, 2.0], i64);
assert_eq!(v1, vec![1.0, 2.0]);
assert_eq!(v2, vec![1, 2]);
assert_eq!(v3, vec![1, 2]);
assert_eq!(v4, vec![1, 2]);
assert_eq!(v5, vec![0, 2]);