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Page 18, 10 entries

a 9 lines of Ruby 176 Bytes Show Edit Expand 
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class Bicycle
  # ...
  def default_tire_size
    raise NotImplementedError
  end
end

bent = RecumbentBike.new(size: "L")
# => NotImplementedError: NotImplementedError
a 8 lines of Ruby 179 Bytes Show Edit Expand 
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class RecumbentBike < Bicycle
  def default_chain
    '10-speed'
  end
end

bent = RecumbentBike.new(size: "L")
# => undefined local variable or method 'default_tire_size'
a 14 lines of Ruby 314 Bytes Show Edit Expand 
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road_bike = RoadBike.new(
  size: 'M',
  tape_color: 'red')

puts road_bike.tire_size # => 23
puts road_bike.chain # => 11-speed

mountain_bike = MountainBike.new(
  size: 'S',
  front_sho...
a 28 lines of Ruby 447 Bytes Show Edit Expand 
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class Bicycle
  attr_reader :size, :chain, :tire_size

  def initialize(**opts)
    @size = opts[:size]
    @chain = opts[:chain] || default_chain
    @tire_size = opts[:tire_size] || default...
a 1 line of Java 26 Bytes Show Edit Expand 
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System.out.print("Kurwa");
a 4 lines of Ruby 104 Bytes Show Edit Expand 
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puts road_bike.spares
# => {:chain => "11-speed",
#     :tire_size => "23",
#     :tape_color => nil}
a 2 lines of Ruby 72 Bytes Show Edit Expand 
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puts mountain_bike.spares
# => super: no superclass method 'spares' for
a 6 lines of Ruby 116 Bytes Show Edit Expand 
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class MountainBike < Bicycle
    # ...
    def spares
        super.merge(front_shock: front_shock)
    end
end
a 9 lines of Ruby 172 Bytes Show Edit Expand 
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class RoadBike < Bicycle
    # ...
    def spares
        { chain:    '11-speed',
          tire_size: '23',
          tape_color: tape_color }
    end
end
a 17 lines of Ruby 251 Bytes Show Edit Expand 
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class Bicycle
  attr_reader :size

  def initialize(**opts)
    @size = opts[:size]
  end
end

class RoadBike < Bicycle
  attr_reader :tape_color

  def initialize(**opts)
    @tape_col...

Page 18, 10 entries