From: Nathan Smith <nathan.smith@...>
Date: 2005-11-26T00:57:13+09:00
Subject: Re: recursion

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Instead of

>             str += c
>             addChar(str, level + 1)

Use

addChar( str + c, level + 1 )


=)


On Nov 25, 2005, at 10:42 AM, cyberco wrote:

> def addChar(str, level)
>     ('a'..'z').each {|c|
>         if level == 2
>             puts str + c
>         else
>             str += c
>             addChar(str, level + 1)
>         end
>     }
> end
>
> addChar("", 0)


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