# File lib/compass/sass_extensions/functions/selectors.rb, line 15 def nest(*arguments) nested = arguments.map{|a| a.value}.inject do |memo,arg| ancestors = memo.split(COMMA_SEPARATOR) descendants = arg.split(COMMA_SEPARATOR) ancestors.map{|a| descendants.map{|d| "#{a} #{d}"}.join(", ")}.join(", ") end Sass::Script::String.new(nested) end