From: 7stud -- <dolgun@...>
Date: 2007-09-24T13:59:08+09:00
Subject: Re: how to add an iterator to a class?

7stud -- wrote:
> 
> Here is how a block returns a value to a yield statement:
> 
> def test
>     result = yield 10   #catch the value returned by the block in a 
> variable
> 
>     puts result
> end
> 
> 
> test {10 * 2}

Whoops.  That should be:

def test
    result = yield 10

    puts result
end


test {|num| num * 2}   #block is defined to accept an arg

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