# File lib/sass/tree/visitors/convert.rb, line 155 def visit_mixindef(node) args = if node.args.empty? "" else '(' + node.args.map do |v, d| if d "#{v.to_sass(@options)}: #{d.to_sass(@options)}" else v.to_sass(@options) end end.join(", ") + ')' end "#{tab_str}#{@format == :sass ? '=' : '@mixin '}#{dasherize(node.name)}#{args}#{yield}" end