From: Love U Ruby <lists@...>
Date: 2013-05-22T02:25:58+09:00
Subject: Re: Enum#each issue

Hans Mackowiak wrote in post #1109748:
> because the block is similar to a e.feed(function(e.next))
>
> and you do not call the feed, without ruby does not know wich value it
> should set for the element

Okay! understood.

enum#feed says - "Sets the value to be returned by the next yield inside 
e." Now in my below example, why the feeded value comes after the second 
`next` call?

>> def meth
>> [1,2,3].each {|e| p yield(e)}
>> end
=> nil
>>
?> m = to_enum(:meth)
=> #<Enumerator: main:meth>
>> m.feed "foo"
=> nil
>> m.next
=> 1
>>
?> ^C
>> m.next
"foo"
=> 2

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