Method drop

29_pattern_matching_revisited/rust/pattern/src/main.rs:62–69

(&mut self, obj: String, room: &mut Room)

    }

    fn drop(&mut self, obj: String, room: &mut Room) {
        if self.backpack.contains(&obj) {
            self.backpack.remove(&obj);
            room.objects.insert(obj);
        } else {
            println!("not in backpack {}", obj);
        }
    }
}

fn main() {