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ruby make chain method

rion answered on September 15, 2021 Popularity 7/10 Helpfulness 5/10

answer ruby make chain method

ruby make chain method

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class SimpleMath
  def initialize
    @result = 0
  end

  #1 add function
  def add(val)
    @result += val
    self
  end

  #2 Subtract function
  def subtract(val)
    @result -= val
    self
  end

  def to_s
    @result
  end
end

newNumber = SimpleMath.new
p newNumber.add(2).add(2).subtract(1)

Popularity 7/10 Helpfulness 5/10 Language ruby

Source: stackoverflow.com

Tags: chain ruby

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