returning -> tap

actionpack/lib/action_view/helpers/prototype_helper.rb

 require 'set'
 require 'active_support/json'
-require 'active_support/core_ext/object/returning'
 require 'active_support/core_ext/object/blank'
 
 module ActionView
@@ -228,7 +227,7 @@ def include_helpers_from_context
         # <script> tag.
         module GeneratorMethods
           def to_s #:nodoc:
-            returning javascript = @lines * $/ do
+            (@lines * $/).tap do |javascript|
               if ActionView::Base.debug_rjs
                 source = javascript.dup
                 javascript.replace "try {\n#{source}\n} catch (e) "
@@ -530,9 +529,9 @@ def page
             end
 
             def record(line)
-              returning line = "#{line.to_s.chomp.gsub(/\;\z/, '')};" do
-                self << line
-              end
+              line = "#{line.to_s.chomp.gsub(/\;\z/, '')};"
+              self << line
+              line
             end
 
             def render(*options)