Shared via Rust Playground

playground.rs

struct Yell { name: &'static str }
impl Drop for Yell {
    fn drop(&mut self) {
        println!("{} dropped!", self.name);
    }
}
fn main() {
    let bob = Yell { name: "Bob" };
    let carol = Yell {
        name: {
            let carols_dad = Yell { name: "David" };
            "Carol"
        } //carols_dad out-of-scopes here
    };
    let ed = Yell { name: "Ed" };
    let frank = Yell { name: panic!("Panic will destruct all objects reversly-ordered") };
    println!("We never get to Gregor");
    
    //never executes
    let gregor = Yell { name: "Gregor" };
}