From: Bertram Scharpf <lists@...>
Date: 2009-06-05T21:46:22+09:00
Subject: Re: Question about exiting from a block

Hi,

Am Freitag, 05. Jun 2009, 06:48:43 +0900 schrieb Joel VanderWerf:
> Guoliang Cao wrote:
>> I have code above and wonder if it is possible to use
>> return/break/anything to stop execution of block and return control to
>> test() to execute code after yield. I know it is impossible in 1.8. How
>> about 1.9?
>
> It is possible in 1.8, using the next keyword:

Slightly modified:

  def f ; puts "A" ; puts yield ; puts "Z" ; "F" ; end

  f { next  "X" ; puts "Y" }    #=> "F"
  puts "-"
  f { break "X" ; puts "Y" }    #=> "X"

The output is:

  A
  X
  Z
  -
  A

Will this work in 1.9, too?

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de