Rust type mismatch in numerical operation

---

examples/types/type-mismatch/src/main.rs

fn main() {
    let x: i32 = 3;
    let y: i64 = 4;

    let z = x + y;
    println!("{}", z);
}

• TODO: if we remove the i32 then this works even though, I think, the default is i32