def extend_js(mod)
      extend mod
      mod.public_instance_methods.each do |method_name|
        add_function(sym_to_css(method_name)) { |tree, cxt|
          send method_name.to_sym, unquote(cxt.toCSS())
        }
      end
    end
def extend_js(mod)
      extend mod
      mod.public_instance_methods.each do |method_name|
        add_function(sym_to_css(method_name)) { |tree, cxt|
          send method_name.to_sym, unquote(cxt.toCSS())
        }
      end
    end
Adds all of a module's public instance methods as Less functions