#epp "UserOp"

class TestUserOp {
  public static void main(String argv[]){
    System.out.println("foo" (==) "foo");
    System.out.println(! ("foo" (!=) "foo"));
    
    // Make sure that the extended lexical analyzer works well.
    System.out.println((!false));
    System.out.println((-1+2) == 1);
  }
}