RubyLearning / ProjectTrak / vendor / rails / activesupport / lib / active_support / core_ext / duplicable.rb

class Object
  # Can you safely .dup this object?
  # False for nil, false, true, symbols, and numbers; true otherwise.
  def duplicable?
    true
  end
end

class NilClass #:nodoc:
  def duplicable?
    false
  end
end

class FalseClass #:nodoc:
  def duplicable?
    false
  end
end

class TrueClass #:nodoc:
  def duplicable?
    false
  end
end

class Symbol #:nodoc:
  def duplicable?
    false
  end
end

class Numeric #:nodoc:
  def duplicable?
    false
  end
end

class Class #:nodoc:
  def duplicable?
    false
  end
end
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