/src/test/run-pass/resource-destruct.rs

http://github.com/jruderman/rust · Rust · 13 lines · 12 code · 1 blank · 0 comment · 2 complexity · 05dd822b8b8025030643887017292a51 MD5 · raw file 

    

  1. class shrinky_pointer {
    2. 

  2.   let i: @@mut int;
    3. 

  3.   fn look_at() -> int { return **(self.i); }
    4. 

  4.   new(i: @@mut int) { self.i = i; }
    5. 

  5.   drop { log(error, ~"Hello!"); **(self.i) -= 1; }
    6. 

  6. }
    7. 

  7. 

  8. fn main() {
    9. 

  9.     let my_total = @@mut 10;
    10. 

  10.     { let pt <- shrinky_pointer(my_total); assert (pt.look_at() == 10); }
    11. 

  11.     log(error, fmt!{"my_total = %d", **my_total});
    12. 

  12.     assert (**my_total == 9);
    13. 

  13. }
    14.