day 16 @rust cライクなポインタ操作
fn main() { let mut num= 10; let num_ref = &mut num; add_five(num_ref); println!("{}",num); } fn add_five(ref_int: &mut i32) { *ref_int = *ref_int + 5; }
fn main() { let mut num= 10; let num_ref = &mut num; add_five(num_ref); println!("{}",num); } fn add_five(ref_int: &mut i32) { *ref_int = *ref_int + 5; }