!7

import static x30_pkg.x30_util.UniqueString;
import static x30_pkg.x30_util.uniqueString;

p-exp {
  assertSame(uniqueString("hello"), uniqueString("hello"));
  assertEquals("hello", str(uniqueString("hello")));
  assertNotSame(uniqueString("hello"), uniqueString("hallo"));
  print("OK");
}