dumb_search.rb

class DumbSearch
  def initialize(min, max)
    #@min = min
    #@max = max
    @guessed = false
    @next_guess = 50
  end

  attr_reader :next_guess, :guessed

  def go(result)
    return if @guessed
    case result
    when :right
      @guessed = true
    when :lower
      @next_guess -= 1
    when :higher
      @next_guess += 1
    end
  end

  private

  def update_next_guess
    @next_guess = (@max + @min) / 2
  end

end