Q. What will be the output of the following Rust code?
Code:
fn main() {
let x = 5;
let y = x;
println!("{}", x);
}
-
(A)
5
-
(B)
Compilation error
-
(C)
Undefined behavior
-
(D)
0
✅ Correct Answer: (A)
5
Explanation: Since x is a primitive type (Copy trait), y gets a copy and x remains valid. Output is 5.