From: Love U Ruby <lists@...>
Date: 2013-05-22T02:06:40+09:00
Subject: Re: Enum#each issue

Hans Mackowiak wrote in post #1109744:
> read about what map! does, and why the return of a block (or in this
> case the #feed) is important

Yes! I read it - **Invokes the given block once for each element of 
self, replacing the element with the value returned by the block.** why 
block returns `nil` where as `a.next` returns value from the enum,for 
each next call? <~~ That's the pain.


Thanks

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