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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
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