X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=vendor%2Frails%2Factivesupport%2Flib%2Factive_support%2Fcore_ext%2Fmodule%2Finclusion.rb;fp=vendor%2Frails%2Factivesupport%2Flib%2Factive_support%2Fcore_ext%2Fmodule%2Finclusion.rb;h=4f23841645af72245e3041625235984d36510dd7;hb=d115f2e23823271635bad69229a42cd8ac68debe;hp=0000000000000000000000000000000000000000;hpb=37cb670bf3ddde90b214e591f100ed4446469484;p=depot.git

diff --git a/vendor/rails/activesupport/lib/active_support/core_ext/module/inclusion.rb b/vendor/rails/activesupport/lib/active_support/core_ext/module/inclusion.rb
new file mode 100644
index 0000000..4f23841
--- /dev/null
+++ b/vendor/rails/activesupport/lib/active_support/core_ext/module/inclusion.rb
@@ -0,0 +1,30 @@
+class Module
+  # Returns the classes in the current ObjectSpace where this module has been
+  # mixed in according to Module#included_modules.
+  #
+  #   module M
+  #   end
+  #   
+  #   module N
+  #     include M
+  #   end
+  #   
+  #   class C
+  #     include M
+  #   end
+  #   
+  #   class D < C
+  #   end
+  #
+  #   p M.included_in_classes # => [C, D]
+  #
+  def included_in_classes
+    classes = []
+    ObjectSpace.each_object(Class) { |k| classes << k if k.included_modules.include?(self) }
+
+    classes.reverse.inject([]) do |unique_classes, klass| 
+      unique_classes << klass unless unique_classes.collect { |k| k.to_s }.include?(klass.to_s)
+      unique_classes
+    end
+  end
+end
\ No newline at end of file