#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::{mem, ptr};
pub struct MyCollection<T> {
    data: [T; 1],
}
impl<T> MyCollection<T> {
    fn iter_mut(&mut self) -> &mut [T] {
        &mut self.data
    }
    fn free_buffer(&mut self) {}
}
impl<T> Drop for MyCollection<T> {
    fn drop(&mut self) {
        unsafe {
            if mem::needs_drop::<T>() {
                for x in self.iter_mut() {
                    ptr::drop_in_place(x);
                }
            }
            self.free_buffer();
        }
    }
}
fn main() {}