{
  package Logger;
  use Any::Mo;
  has handle => (is => 'ro');
  sub log_it {
    my ($self, $message) = @_;
    my $timestamp = time;
    print {$self->handle}
        $timestamp . ": " . $message . "\n";
  }
}

my $logger = Logger->new(handle => $fh);
$logger->log_it("Hello");
$logger->log_it("World");