<% htmloptions = {class: ''}.merge(htmloptions || {})
htmloptions[:class] += " btn-#{size}" rescue nil %>
<%= link_to_if_arvados_object object, {
<% htmloptions = {class: ''}.merge(htmloptions || {})
htmloptions[:class] += " btn-#{size}" rescue nil %>
<%= link_to_if_arvados_object object, {