// vecs1.rs
// Your task is to create a `Vec` which holds the exact same elements
// as in the array `a`.
// Make me compile and pass the test!
// Execute `rustlings hint vecs1` or use the `hint` watch subcommand for a hint.

fn array_and_vec() -> ([i32; 4], Vec<i32>) {
    // a plain array
    let a = [10, 20, 30, 40];
    // the easy way to copy an array to a vector
    // let v = a.to_vec();

    // the more complex way
    let mut v = Vec::new();

    for num in a {
        v.push(num);
    }

    return (a, v);
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_array_and_vec_similarity() {
        let (a, v) = array_and_vec();
        assert_eq!(a, v[..]);
    }
}