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// run-pass
#![allow(non_camel_case_types)]
use std::cell::Cell;
struct r<'a> {
b: &'a Cell<isize>,
}
impl<'a> Drop for r<'a> {
fn drop(&mut self) {
self.b.set(self.b.get() + 1);
}
}
fn r(b: &Cell<isize>) -> r {
r {
b: b
}
}
pub fn main() {
let b = &Cell::new(0);
{
let _p = Some(r(b));
}
assert_eq!(b.get(), 1);
}
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