/src/test/run-pass/mlist-cycle.rs

http://github.com/jruderman/rust · Rust · 15 lines · 10 code · 3 blank · 2 comment · 0 complexity · aea9d5fb31c3b1f78971b39363437e90 MD5 · raw file 

    

  1. // xfail-test
    2. 

  2. // -*- rust -*-
    3. 

  3. use std;
    4. 

  4. 

  5. type cell = {mut c: @list};
    6. 

  6. 

  7. enum list { link(@cell), nil, }
    8. 

  8. 

  9. fn main() {
    10. 

  10.     let first: @cell = @{mut c: @nil()};
    11. 

  11.     let second: @cell = @{mut c: @link(first)};
    12. 

  12.     first._0 = @link(second);
    13. 

  13.     sys.rustrt.gc();
    14. 

  14.     let third: @cell = @{mut c: @nil()};
    15. 

  15. }
    16.