#![feature(core)]
#![feature(staged_api)]
#![feature(unboxed_closures)]
-#![feature(unsafe_destructor)]
#![cfg_attr(test, feature(test))]
extern crate alloc;
}
}
-#[unsafe_destructor]
impl<'longer_than_self> Drop for Arena<'longer_than_self> {
fn drop(&mut self) {
unsafe {
}
}
-#[unsafe_destructor]
impl<T> Drop for TypedArena<T> {
fn drop(&mut self) {
unsafe {