/src/test/run-pass/alt-join.rs

http://github.com/jruderman/rust · Rust · 22 lines · 16 code · 4 blank · 2 comment · 3 complexity · e8085bea7971eab85830db5bdf426791 MD5 · raw file 

    

  1. use std;
    2. 

  2. import option;
    3. 

  3. 

  4. fn foo<T>(y: option<T>) {
    5. 

  5.     let mut x: int;
    6. 

  6.     let mut rs: ~[int] = ~[];
    7. 

  7.     /* tests that x doesn't get put in the precondition for the
    8. 

  8.        entire if expression */
    9. 

  9. 

  10.     if true {
    11. 

  11.     } else {
    12. 

  12.         match y {
    13. 

  13.           none::<T> => x = 17,
    14. 

  14.           _ => x = 42
    15. 

  15.         }
    16. 

  16.         rs += ~[x];
    17. 

  17.     }
    18. 

  18.     return;
    19. 

  19. }
    20. 

  20. 

  21. fn main() { debug!{"hello"}; foo::<int>(some::<int>(5)); }
    22.