module ClassSpecs def self.sclass_with_block eval <<-RUBY class << self yield end RUBY end def self.sclass_with_return class << self return :inner end return :outer end class A; end def self.string_class_variables(obj) obj.class_variables.map { |x| x.to_s } end def self.string_instance_variables(obj) obj.instance_variables.map { |x| x.to_s } end class B @@cvar = :cvar @ivar = :ivar end class C def self.make_class_variable @@cvar = :cvar end def self.make_class_instance_variable @civ = :civ end end class D def make_class_variable @@cvar = :cvar end end class E def self.cmeth() :cmeth end def meth() :meth end class << self def smeth() :smeth end end CONSTANT = :constant! end class F; end class F def meth() :meth end end class F def another() :another end end class G def override() :nothing end def override() :override end end class Container class A; end class B; end end O = Object.new class << O def smeth :smeth end end class H def self.inherited(sub) track_inherited << sub end def self.track_inherited @inherited_modules ||= [] end end class K < H; end class I class J < self end end class K def example_instance_method end def self.example_class_method end end class L; end class M < L; end # Can't use a method here because of class definition in method body error ANON_CLASS_FOR_NEW = -> do Class.new do class NamedInModule end def self.get_class_name NamedInModule.name end end end DEFINE_CLASS = -> do class ::A; end end end class Class def example_instance_method_of_class; end def self.example_class_method_of_class; end end class << Class def example_instance_method_of_singleton_class; end def self.example_class_method_of_singleton_class; end end class Object def example_instance_method_of_object; end def self.example_class_method_of_object; end end