using modulo in liquid to case odd even in a loop

odd-even-in-liquid.liquid

{% comment %}
Here we loop through a blog and use modulo to case odd/even.
Dead simple.
{% endcomment %}



{% for article in blog.articles %}

  {% assign mod = forloop.index | modulo: 2 %}
    {% if mod == 0 %}
        <!-- it's even so do something...-->

    {% else %}
        <!-- it's odd so do something else... -->

    {% endif %}

{% endfor %}