Using Object#in? and Object#either? in various places

There're a lot of places in Rails source code which make a lot of sense to switching to Object#in? or Object#either? instead of using [].include?.

1 files changed, 4 insertions, 2 deletions

diff --git a/railties/guides/rails_guides/textile_extensions.rb b/railties/guides/rails_guides/textile_extensions.rb
index affef1ccb0..f1486a7c10 100644
--- a/railties/guides/rails_guides/textile_extensions.rb
+++ b/railties/guides/rails_guides/textile_extensions.rb
@@ -1,9 +1,11 @@
+require 'active_support/core_ext/object/inclusion'
+
 module RailsGuides
   module TextileExtensions
     def notestuff(body)
       body.gsub!(/^(IMPORTANT|CAUTION|WARNING|NOTE|INFO)[.:](.*)$/) do |m|
         css_class = $1.downcase
-        css_class = 'warning' if ['caution', 'important'].include?(css_class)
+        css_class = 'warning' if css_class.either?('caution', 'important')
 
         result = "<div class='#{css_class}'><p>"
         result << $2.strip
@@ -33,7 +35,7 @@ module RailsGuides
     def code(body)
       body.gsub!(%r{<(yaml|shell|ruby|erb|html|sql|plain)>(.*?)</\1>}m) do |m|
         es = ERB::Util.h($2)
-        css_class = ['erb', 'shell'].include?($1) ? 'html' : $1
+        css_class = $1.either?('erb', 'shell') ? 'html' : $1
         %{<notextile><div class="code_container"><code class="#{css_class}">#{es}</code></div></notextile>}
       end
     end