Templates

Petal

framework.conf

<TemplateOptions>
    default_type = Petal
</TemplateOptions>

app.pm

sub show_balance {
  my $self = shift;
  my $bal = $account->get_balance;
  $self->template->fill({
      balance => $bal,
  });
}

show_balance.xhtml

<html xmlns:tal="http://p...">
Your balance is:
<span tal:replace="balance">
xxx
</span>