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class Object #:nodoc:
def remove_subclasses_of(superclass)
subclasses_of(superclass).each { |subclass| Object.send(:remove_const, subclass) rescue nil }
end
def subclasses_of(superclass)
subclasses = []
ObjectSpace.each_object(Class) do |k|
next if !k.ancestors.include?(superclass) || superclass == k || k.to_s.include?("::") || subclasses.include?(k.to_s)
subclasses << k.to_s
end
subclasses
end
def blank?
if respond_to? :empty?
empty?
elsif respond_to? :zero?
zero?
else
!self
end
end
end
class Class #:nodoc:
def remove_subclasses
Object.remove_subclasses_of(self)
end
def subclasses
Object.subclasses_of(self)
end
end
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