#[inline(never)]
fn borrows(input: &u32, output: &mut u32)
{
    if *input > 10
    {
        *output = 2;
    }
    if *input > 5
    {
        *output *= 2;
    }
}

#[inline(never)]
fn ptrs(input: *const u32, output: *mut u32)
{
    unsafe
    {
        if *input > 10
        {
            *output = 2;
        }
        if *input > 5
        {
            *output *= 2;
        }
    }
}

#[inline(never)]
fn mixed(input: *const u32, output: *mut u32)
{
    let input = unsafe { &*input };
    let output = unsafe { &mut*output };
    if *input > 10
    {
        *output = 2;
    }
    if *input > 5
    {
        *output *= 2;
    }
}


fn main() {
    let borrows_value = 15;
    let ptrs_value = 15;
    let mixed_value = 15;

    borrows(&borrows_value, unsafe { &mut*(&borrows_value as *const _ as *mut _) });
    ptrs(&ptrs_value, &ptrs_value as *const _ as *mut _);
    mixed(&mixed_value, &mixed_value as *const _ as *mut _);

    dbg!(borrows_value);
    dbg!(ptrs_value);
    dbg!(mixed_value);
}