do {
        (my($k) = 2);
        'sysAssert'->throw('test assert')
    }->try('err'->catch(do {
        (my($ex) = @_);
        print("caught by with\n");
        dPrt('warn', " with $ex")
    }->with(do {
        (my($ex) = @_);
        print("caught by otherwise \n");
        dPrt('warn', "OTHERWISE:$ex")
    }->otherwise)));