fn f(x: i32) -> i32 {
x + 1
}
fn main() {
println!("f(2) = {}", f(2));
println!("2 + 10 = {}", 2 + 10);
println!("10 + 2 = {}", 10 + 2);
println!("2 + 2 = {}", 2 + 2);
println!("2 * 10 = {}", 2 * 10);
println!("10 * 2 = {}", 10 * 2);
println!("2 << 3 = {}", 2 << 3);
println!("3 << 2 = {}", 3 << 2);
println!("f(2 + 3) = {}", f(2 + 3));
println!("f(2 * 3) = {}", f(2 * 3));
println!("f(2 << 3) = {}", f(2 << 3));
}