Append vector of Strings (moving over elements)

• append

• This will empty the second vector.

macro_rules! prt {
    ($var:expr) => {
        println!(
            "{:2} {:2} {:p} {:15?} '{:?}'",
            $var.len(),
            $var.capacity(),
            &$var,
            $var.as_ptr(),
            $var
        );
    };
}

fn main() {
    let mut fruits1 = vec![String::from("apple"), String::from("banana")];
    prt!(fruits1);

    let mut fruits2 = vec![
        String::from("peach"),
        String::from("kiwi"),
        String::from("mango"),
    ];
    prt!(fruits2);

    prt!(fruits2[1]);

    fruits1.append(&mut fruits2);
    prt!(fruits1[3]);

    prt!(fruits1);
    prt!(fruits2);
}

 2  2 0x7ffcda3de400  0x5aae5be7fb80 '["apple", "banana"]'
 3  3 0x7ffcda3de838  0x5aae5be7fc00 '["peach", "kiwi", "mango"]'
 4  4 0x5aae5be7fc18  0x5aae5be7fc70 '"kiwi"'
 4  4 0x5aae5be7fcf8  0x5aae5be7fc70 '"kiwi"'
 5  5 0x7ffcda3de400  0x5aae5be7fcb0 '["apple", "banana", "peach", "kiwi", "mango"]'
 0  3 0x7ffcda3de838  0x5aae5be7fc00 '[]'