use std::fmt::Debug;

#[derive(Debug, Clone)]
struct StructA;

impl Drop for StructA {
    fn drop(&mut self) {
        println!("Dropping.!")
    }
}

fn main() {
    let _a = StructA{};
    println!("Ending Scope.?");
    /* ... 'a' can be borrowed here ... */
    let _a = StructA{};
}