/src/test/run-pass/expr-block-generic.rs

http://github.com/jruderman/rust · Rust · 26 lines · 15 code · 9 blank · 2 comment · 2 complexity · 2c54168649c031f62bc7957164b38d5f MD5 · raw file

  1. // -*- rust -*-
  2. // Tests for standalone blocks as expressions with dynamic type sizes
  3. type compare<T> = fn@(T, T) -> bool;
  4. fn test_generic<T: copy>(expected: T, eq: compare<T>) {
  5. let actual: T = { expected };
  6. assert (eq(expected, actual));
  7. }
  8. fn test_bool() {
  9. fn compare_bool(&&b1: bool, &&b2: bool) -> bool { return b1 == b2; }
  10. test_generic::<bool>(true, compare_bool);
  11. }
  12. fn test_rec() {
  13. type t = {a: int, b: int};
  14. fn compare_rec(t1: t, t2: t) -> bool { return t1 == t2; }
  15. test_generic::<t>({a: 1, b: 2}, compare_rec);
  16. }
  17. fn main() { test_bool(); test_rec(); }