Missed singleton_class

0b87d114 · Jeremy Kemper · c7f9e8c0 · 0b87d114
隐藏空白更改
内联并排

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activesupport/lib/active_support/core_ext/object/singleton_class.rb ...ort/lib/active_support/core_ext/object/singleton_class.rb +13 -0

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--- a/activesupport/lib/active_support/core_ext/object/singleton_class.rb
+++ b/activesupport/lib/active_support/core_ext/object/singleton_class.rb
+class Object
+  # Returns the object's singleton class.
+  def singleton_class
+    class << self
+      self
+    end
+  end unless respond_to?(:singleton_class)
+
+  # class_eval on an object acts like singleton_class_eval.
+  def class_eval(*args, &block)
+    singleton_class.class_eval(*args, &block)
+  end
+end