{{ item.title }} {% match item.duration %} {% when Some with (duration) %} {% let secs = duration.as_secs() %} {% let mins = secs / 60 %} {% let submin_secs = secs % 60 %} ({{ "{:02}"|format(mins) }}:{{ "{:02}"|format(submin_secs) }}) {% when None %} (--:--) {% endmatch %}