plugins/org.eclipse.dltk.ruby.formatter/src/org/eclipse/dltk/ruby/formatter/formatterPreview.rb

#
# A sample source file for the code formatter preview
#
class Preview

def printBinaryDigit(digit)
if digit < 0 || digit >= 2
  puts "Wrong digit"
end
case digit
when 0
puts "zero"
when 1
puts "one"
end
end

end