From: E S <eero.saynatkari@...>
Date: 2005-01-07T00:38:59+09:00
Subject: Re: Return from a block?

Jamis Buck wrote:
> On 08:17 Thu 06 Jan     , Carlos wrote:
> 
>>[Howard Lewis Ship <hlship@gmail.com>, 2005-01-06 00.11 CET]
>>
>>>Is there a way to return control from the block to the method?
>>
>>next
>>
>>Good luck.
> 
> 
> To elaborate a little more:
> 
>   a = proc { |i| next i+1 }
>   p a.call(5)
> 
> Hope that helps. I can understand why 'return' behaves like it does,
> but there are times I wish there was a more intuitive keyword for
> returning a value from a block. 'next' just feels wrong to me. :(

For just returning control, throw...catch should work, for returning
a value, Kernel.callcc? But Mr. Buck's solution is certainly shorter.

E