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


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type box[T] = tup(@T);

fn unbox[T](box[T] b) -> T { ret b._0; }

fn main() {
  let int foo = 17;
  let box[int] bfoo = tup(foo);
  log "see what's in our box";
  check (unbox[int](bfoo) == foo);
}