Function as_bytes

Source Code/12-07.rs:11–17

(o: &T)

*/
fn main() {
    fn as_bytes<T>(o: &T) -> &[u8] {
        unsafe {
            std::slice::from_raw_parts(
                o as *const _ as *const u8,
                std::mem::size_of::<T>())
        }
    }
    println!("{:?}", as_bytes(&1i8));
    println!("{:?}", as_bytes(&2i16));
    println!("{:?}", as_bytes(&3i32));