.input-prepend
%span(class="add-on") %i(class="#{icon if defined?(icon)}") %input(class="#{"input-full" unless defined?(small)}" type="text" placeholder="#{placeholder if defined?(placeholder)}")
.input-prepend
%span(class="add-on") %i(class="#{icon if defined?(icon)}") %input(class="#{"input-full" unless defined?(small)}" type="text" placeholder="#{placeholder if defined?(placeholder)}")