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module SafeYAML
class Deep
def self.freeze(object)
object.each do |*entry|
value = entry.last
case value
when String, Regexp
value.freeze
when Enumerable
Deep.freeze(value)
end
end
return object.freeze
end
def self.copy(object)
duplicate = object.dup rescue object
case object
when Array
(0...duplicate.count).each do |i|
duplicate[i] = Deep.copy(duplicate[i])
end
when Hash
duplicate.keys.each do |key|
duplicate[key] = Deep.copy(duplicate[key])
end
end
duplicate
end
end
end
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