{% macro flashes(type, flashes, trans_domain) %}
    {% if flashes|length %}
        {% set trans_domain = trans_domain is not empty ? trans_domain : 'messages' %}
        <div class="alert alert-{{ type }}">
            <button aria-hidden="true" data-dismiss="alert" class="close" type="button">×</button>
            {% for flash in flashes %}
                {% set message = flash.message is defined ? flash.message : flash %}
                {{ message|trans({}, trans_domain) }}{% if not loop.last %}<br />{% endif %}
            {% endfor %}
        </div>
    {% endif %}
{% endmacro %}