From: Corey Konrad <0011@...>
Date: 2007-03-17T07:36:21+09:00
Subject: Re: yield

Brian Candler wrote:
> On Sat, Mar 17, 2007 at 07:10:26AM +0900, Corey Konrad wrote:
>> 
>> def printer(arg)
>>   yield arg
>> end
>> 
>> printer("ball")
>> printer {|word| puts word}
>> 
>> why is that, cant yield be used with arguments?
> 
> It can. Your second function 'printer' takes one argument plus one 
> block.
> However in the first case you were calling it without a block, and in 
> the
> second case you were calling it without an argument.
> 
> What you need is:
> 
>   printer("ball") {|word| puts word}


oh ok, my understanding for some reason was that the method was going to 
remmeber that i set arg to "ball" so that when i used printer with the 
block that "ball" would still be in arg. So is that why it isnt working, 
is because when i call the printer method the second time the value 
stored in arg is destroyed?

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