/src/test/run-pass/box-unbox.rs

http://github.com/jruderman/rust · Rust · 12 lines · 8 code · 4 blank · 0 comment · 1 complexity · 1b9ca10e88e73a464e4b8ffbbada827c MD5 · raw file 

    

  1. type box<T: copy> = {c: @T};
    2. 

  2. 

  3. fn unbox<T: copy>(b: box<T>) -> T { return *b.c; }
    4. 

  4. 

  5. fn main() {
    6. 

  6.     let foo: int = 17;
    7. 

  7.     let bfoo: box<int> = {c: @foo};
    8. 

  8.     debug!{"see what's in our box"};
    9. 

  9.     assert (unbox::<int>(bfoo) == foo);
    10. 

  10. }
    11.