Rust code shared from the playground

playground.rs

use std::slice;
use std::mem;

fn main() {
    outer_type(&0x01020304u32);
}

fn outer_type<T>(v: *const T)
where
    T: Sized,
{
    let size: usize = mem::size_of::<T>();
    let slice: &[u8] = unsafe { slice::from_raw_parts(v as *const u8, size) };
    println!("{:?}", slice);
}