From: Joel VanderWerf <vjoel@...>
Date: 2009-06-05T06:48:43+09:00
Subject: Re: Question about exiting from a block

Guoliang Cao wrote:
> def test
>   puts 'before'
>   yield 2
>   puts 'after'
> end
> 
> test do |i|
>   XXX if i > 1
>   # a lot of code appears below
> end
> 
> 
> 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? Does anyone feel this is an important feature to have?

It is possible in 1.8, using the next keyword:

def test
   puts 'before'
   yield 2
   puts 'after'
end

test do |i|
   next if i > 1
   puts "a lot of code"
end

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407