class Class #:nodoc: # Will unassociate the class with its subclasses as well as uninitializing the subclasses themselves. # >> Integer.remove_subclasses # => [Bignum, Fixnum] # >> Fixnum # NameError: uninitialized constant Fixnum def remove_subclasses Object.remove_subclasses_of(self) end # Returns a list of classes that inherit from this class in an array. # Example: Integer.subclasses => ["Bignum", "Fixnum"] def subclasses Object.subclasses_of(self).map { |o| o.to_s } end # Allows you to remove individual subclasses or a selection of subclasses from a class without removing all of them. def remove_class(*klasses) klasses.flatten.each do |klass| # Skip this class if there is nothing bound to this name next unless defined?(klass.name) basename = klass.to_s.split("::").last parent = klass.parent # Skip this class if it does not match the current one bound to this name next unless parent.const_defined?(basename) && klass = parent.const_get(basename) parent.instance_eval { remove_const basename } unless parent == klass end end end