class String
Public Instance Methods
rollercoaster()
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# File lib/rollercoaster.rb, line 4 def rollercoaster formatted_line = "" upcase = true for i in 0..self.size-1 letter = upcase ? self[i].upcase : self[i].downcase upcase = !upcase if letter =~ /[[:alpha:]]/ formatted_line << letter end formatted_line end