methods_in_lambda.rb

class TestClass
  
  LIST_OF_METHODS = {
    1 => -> { method_1 }
    2 => -> { method_2 }
  }
  
  def select_method(number)
    LIST_OF_METHODS[number].call
  end
    
  private
  
  def method_1
    return true
  end
  
  def method_2
    return false
  end
  
end