[Rails] IRB vs ruby-doc.org

The ruby documentation says instance_variable_set is a public instance method of Object: http://ruby-doc.org/core-1.9.3/Object.html#method-i-instance_variable_set And I believe it because you can call it on instances of Object: 1.9.3p0 :005 Object.new.instance_variable_set :@a, 1 = 1 It

Re: [Rails] IRB vs ruby-doc.org

Object includes the Kernel module, which defines the :instance_variable_set method 1.9.3p194 :001 Kernel.instance_methods(false).include? :instance_variable_set = true 1.9.3p194 :002 Object.is_a? Kernel = true 2012/10/13 John Merlino stoici...@aol.com The ruby documentation says