rust/src/test/run-pass/resource-destruct.rs
2012-08-23 11:14:14 -07:00

14 lines
378 B
Rust

struct shrinky_pointer {
let i: @@mut int;
fn look_at() -> int { return **(self.i); }
new(i: @@mut int) { self.i = i; }
drop { log(error, ~"Hello!"); **(self.i) -= 1; }
}
fn main() {
let my_total = @@mut 10;
{ let pt <- shrinky_pointer(my_total); assert (pt.look_at() == 10); }
log(error, fmt!("my_total = %d", **my_total));
assert (**my_total == 9);
}