shallow.rs

#[derive(Debug, Clone)]
struct SomeTuple<'a>(&'a str, &'a [u8]);

fn main() {
    let mut owned = String::new();
    owned.push_str("Hello");
    owned.push_str(" World");
    owned.push('!');

    let strref: &str = &owned;
    
    let bytes = owned.as_bytes();
    
    let tuple = SomeTuple(strref, bytes);
    
    println!("{:?}", tuple);
    
    // clone is shallow, does not follow pointers
    let cloned = tuple.clone();
    
    println!("{:p} == {:p} == {:p}", strref, tuple.0, cloned.0);
    println!("{:p} == {:p} == {:p}", bytes, tuple.1, cloned.1);
}