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//@ run-pass
#![allow(non_camel_case_types)]
// Ensures that class dtors run if the object is inside an enum
// variant
use std::cell::Cell;
type closable<'a> = &'a Cell<bool>;
struct close_res<'a> {
i: closable<'a>,
}
impl<'a> Drop for close_res<'a> {
fn drop(&mut self) {
self.i.set(false);
}
}
fn close_res(i: closable) -> close_res {
close_res {
i: i
}
}
enum option<T> { none, some(#[allow(dead_code)] T), }
fn sink(_res: option<close_res>) { }
pub fn main() {
let c = &Cell::new(true);
sink(option::none);
sink(option::some(close_res(c)));
assert!(!c.get());
}
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