twig breadcrumbs

breadcrump.twig

{#
/**
 * @file
 * Returns HTML for a breadcrumb trail.
 *
 * @param $variables
 *   An associative array containing:
 *   - breadcrumb: An array containing the breadcrumb links.
 *
 * @ingroup themeable
 */
#}

{% if breadcrumb is defined %}
<nav class="breadcrumb" role="navigation">
  <h2 class="element-invisible">{{ 'You are here'|t }}</h2>
  <ol>
  {% for item in breadcrumb %}
    {% if loop.last %}
      <li>{{ item }}</li>
    {% else %}
      <li>{{ item }} » </li>
    {% endif %}
  {% endfor %}
  </ol>
</nav>
{% endif %}

Reduced one conditional statement.