From: James Edward Gray II <james@...>
Date: 2006-08-28T01:16:18+09:00
Subject: Fwd: Ruby Quiz Submission

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Begin forwarded message:

> From: William.B.Henderson-Frost@Dartmouth.EDU (William B. Henderson- 
> Frost)
> Date: August 25, 2006 1:49:55 PM CDT
> To: submission@rubyquiz.com, William.B.Henderson- 
> Frost@Dartmouth.EDU (William B. Henderson-Frost)
> Subject: Ruby Quiz Submission
> Reply-To: William.B.Henderson-Frost@Dartmouth.EDU (willhf)
>
> # My first ruby quiz solution!
> # -- also included as an attachment
>
> # William Henderson-Frost
> # Ruby Quiz 92
>
> class DayRange
>
>   Days = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun',
>   'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday',  
> 'Saturday', 'Sunday']
>
>   def initialize(*args)
>     @days = []
>     args.each do |arg|
>       raise ArgumentError unless (Days.include?(arg) or  
> (1..7).include?(arg))
>     end
>     (0..6).each do |i|
>       if args.include?(i+1) or args.include?(Days[i]) or  
> args.include?(Days[i+7])
>         @days.push(i)
>       end
>     end
>   end
>
>   def to_s()
>     print_days, i = [], 0
>     while i < 7
>       7.downto(i+2) do |x|
>         if @days & (i..x).to_a == (i..x).to_a
>           print_days.push(Days[i] << "-" << Days[x])
>           i = x + 1
>           break
>         end
>       end
>       print_days.push(Days[i]) if @days.include?(i)
>       i += 1
>     end
>     return print_days.join(", ")
>   end
>
> end
>
>
> puts DayRange.new('Thu', 5, 'Monday', 2, 'Wed', 7, 'Saturday').to_s
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# William Henderson-Frost
# Ruby Quiz 92

class DayRange
  
  Days = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun',
  'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday']

  def initialize(*args)
    @days = []
    args.each do |arg|
      raise ArgumentError unless (Days.include?(arg) or (1..7).include?(arg))
    end
    (0..6).each do |i|
      if args.include?(i+1) or args.include?(Days[i]) or args.include?(Days[i+7])
        @days.push(i)
      end
    end
  end
  
  def to_s()
    print_days, i = [], 0
    while i < 7
      7.downto(i+2) do |x|
        if @days & (i..x).to_a == (i..x).to_a
          print_days.push(Days[i] << "-" << Days[x])
          i = x + 1
          break
        end
      end
      print_days.push(Days[i]) if @days.include?(i)
      i += 1
    end
    return print_days.join(", ")
  end
  
end


puts DayRange.new('Wed', 5, 2, 1, 7, 'Saturday').to_s

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