From: William James <w_a_x_man@...>
Date: 2007-05-05T06:30:08+09:00
Subject: Re: Noob Concatenation Q?

On May 4, 3:54 pm, jer...@o2.ie (jer...@o2.ie) wrote:
> Can someone briefly explain why ::
> puts i.to_s +" :: "+arrayoutput[i]
>
> yaml.rb:12: undefined method `+@' for " :: ":String (NoMethodError)
>         from F:/RUBY/Source/yaml.rb:11:in `times'
>         from F:/RUBY/Source/yaml.rb:11
>
> but the addition of a space => puts i.to_s + " :: "+arrayoutput[i]
> results in success.
>
> some proir exp in java and cant remember requiring spaces in
> concatentation. any replies welcomed!
>
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I know I'm not answering your question, but
I think this is cleaner:

puts "#{ i } :: #{ array_output[i] }"