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FW: FW: FW:
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| require 'forwardable' | |
| class Said | |
| attr_reader :msg | |
| def initialize(msg = nil) | |
| @msg = (msg || '').freeze | |
| end | |
| def loud_enough? | |
| (msg =~ /[a-z]/).nil? | |
| end | |
| def bye? | |
| loud_enough? && @msg == 'BYE' | |
| end | |
| def blank? | |
| @msg.strip.empty? | |
| end | |
| def self.nothing | |
| new(nil) | |
| end | |
| end | |
| class Grannie | |
| extend Forwardable | |
| def initialize(question = Said.nothing) | |
| ask question | |
| end | |
| def ask(question) | |
| @question = question | |
| end | |
| def response | |
| return if bye? | |
| return 'What was that, honey?' if @question.blank? | |
| return "NO, NOT SINCE #{year}!" if @question.loud_enough? | |
| 'HUH!? SPEAK UP, SONNY!' | |
| end | |
| def_delegator :@question, :bye? | |
| private | |
| def year | |
| Random.rand(1930..1951) | |
| end | |
| end | |
| grannie = Grannie.new | |
| puts grannie.response | |
| loop do | |
| grannie.ask(Said.new(gets.chomp)) | |
| puts grannie.response | |
| break if grannie.bye? | |
| end |
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