From: Brian Candler <b.candler@...>
Date: 2010-03-31T19:23:17+09:00
Subject: Re: why getting error for this code fragment

Rob Biedenharn wrote:
> Try it like this:
> 
>   5 class Movie_Info
>   6         attr_accessor :runtime, :language, :sound, :color
>   7         def to_str
> 38                 puts (runtime==nil ? 'nil' : runtime)+'&&&'+
> (language==nil ? 'nil' : language)+'&&&'+(color==nil ? 'nil' : color)
> +'&&&'+(sound==nil ? 'nil' : sound)
> 39                 return str
> 40         end
> 41 end

Or even:

  def to_str
    "#{runtime||'nil'}&&&#{language||'nil'}&&&#{color||'nil'}&&&#{sound||'nil'}"
  end
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