inspect_rust_memory.rs

use std::mem;

fn main() {
    let a = 3i64;
    let b = [1, 2, 3, 4, 5, 6];
    //let c = &b[2..5];
    //let c = 3i64;
    let c = "abcasdfafjekfahasid";
    let d = &b;

    println!("{}, {}, {}, {}", 
             mem::size_of_val(&a), 
             mem::size_of_val(&b),
             mem::size_of_val(&c),
             mem::size_of_val(&d),
             );
    println!("{:p}, {:p}, {:p}, {:p}", &a, &b, &c, &d);
    
    unsafe {
        let s: *const u8 = mem::transmute(&d);
        let e: *const u8 = mem::transmute(&a);
        
        let mut p = s;
        let mut count = 0;
        while p < e {
            if count % 8 == 0 {
                print!("\n{:p} -> ", p);
            }
            print!(" {:02x}", *p);
            
            p = p.offset(1);
            count += 1;
        }
        println!("");
    }
}