1 files changed, 21 insertions, 0 deletions
diff --git a/kernel.rb b/kernel.rb
index e7d955fe45..d00ba3a809 100644
--- a/kernel.rb
+++ b/kernel.rb
@@ -1,6 +1,27 @@
 module Kernel
   #
   #  call-seq:
+  #     obj.class    -> class
+  #
+  #  Returns the class of <i>obj</i>. This method must always be called
+  #  with an explicit receiver, as #class is also a reserved word in
+  #  Ruby.
+  #
+  #     1.class      #=> Integer
+  #     self.class   #=> Object
+  #--
+  # Equivalent to \c Object\#class in Ruby.
+  #
+  # Returns the class of \c obj, skipping singleton classes or module inclusions.
+  #++
+  #
+  def class
+    Primitive.attr! 'inline'
+    Primitive.cexpr! 'rb_obj_class(self)'
+  end
+
+  #
+  #  call-seq:
   #     obj.clone(freeze: nil) -> an_object
   #
   #  Produces a shallow copy of <i>obj</i>---the instance variables of