func foo(kek: int, mut ref lol: &str) {
    foo(kek: 123, lol: "Hello, world!");
}

func foo(kek: int, mut ref lol: &str) {
    foo(kek: 123, lol: "Hello, world!");
}

func foo(kek: int, mut ref lol: &str) {
    foo(kek: 123, lol: "Hello, world!");
}