From: Urabe Shyouhei <shyouhei@...>
Date: 2006-11-15T15:54:37+09:00
Subject: Re: Design problem with 'inject'

> Problem:
> 
>    arr.inject(0) do |sum, i|
>                    next if (i==3)

next sum if (i == 3)

>                    sum += i
>                  done