From: Joey <rubytalk@...>
Date: 2006-12-30T01:24:21+09:00
Subject: Re: Another Q: find behavior

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Because of the "return value if yield(value)", which returns from the method
causing the loop to end.

I'm not sure what your really trying to achieve, there already is a
Array#find

j`ey

On 12/29/06, Krekna Mektek <krekna@gmail.com> wrote:
>
> Hi,
>
> Still learning from the Pickaxe book, and I've got a question about this
> code:
>
> class Array
>   def find
>      for i in 0..size
>        value = self[i]
>        puts self[i]
>        return value if yield(value)
>      end
>      return nil
>    end
> end
>
> [1,3,5,7,9].find {|v| v*v > 30 }
>
> irb(main):369:0> [1,3,5,7,9].find {|v| v*v > 30 }
> => 7
>
>
> how come it prints only 7, and not also 9?
> The loop is not stopping as far as I can see, and 9 times 9 is also
> bigger then 30.
>
> Krekna
>
>

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