From: Joe Mason <joe@...>
Date: 2004-03-05T19:24:43+09:00
Subject: Re: rescue inside block -> syntax error

In article <c29fhn$1ptopm$1@ID-52924.news.uni-berlin.de>, Robert Klemme wrote:
> There's an issue that limits the usability of do..ensure..end: Typically
> you do resource allocation *outside* the begin..end because you don't want
> the ensure clause to be executed if something during init fails:
> 
> container.each do |obj|
>   processor = create_processor_in_a_way_that_might_throw()
> 
>   begin
>     processor.do_work()
>     processor.do_more_work()
>   ensure
>     processor.cleanup()
>   end
> end

But wouldn't the ruby way be to write this?

 container.each do |obj|
   processor.create_in_a_way_that_might_throw do |proc|
     proc.do_work()
     proc.do_more_work()
   ensure
     proc.cleanup()
   end
 end

Joe