# File lib/sass/tree/visitors/convert.rb, line 122 def visit_function(node) args = node.args.map do |v, d| d ? "#{v.to_sass(@options)}: #{d.to_sass(@options)}" : v.to_sass(@options) end.join(", ") "#{tab_str}@function #{dasherize(node.name)}(#{args})#{yield}" end