unsafe { let my_num: &[i32; 2] = &[10, 20]; let my_num: *const i32 = my_num as *const i32; // This works. println!("{}", *my_num.offset(1)); }

unsafe { let my_num: &mut [i32; 2] = &mut [10, 20]; // error: mismatched types: // expected `*mut i32`, // found `&mut [i32; 2]` let my_num: *mut i32 = my_num as *mut i32; println!("{}", *my_num.offset(1)); }