let foo;
let bar = 123 + foo;

fn my_func() {
    let foo;
    let bar = 123 + foo;
};

let other_name = fn some_internal_name(a, b = 2) {
    a * b
};

fn has_early_return(a, b, c) {
    if b.foo() {
        return false;
    };

    a + c
}