From: Tim Hunter <cyclists@...>
Date: 2003-02-01T09:08:00+09:00
Subject: Re: break out of a loop

On Fri, 31 Jan 2003 15:26:39 +0900, Vivek Nallur wrote:

> 
> Is there an idiomatic(or more elegant way) of finding out whether I exited
> a loop normally or because of an exceptional condition?
> 
> e.g
> 
> 10.times{
> 	# some processing
> 
> 	#if (some condition)
> 		break
> 	end
> 
> 	#further processing
> }
> 
> # here i want to know if I came out because of the break or after looping
> 10 times.
> 
> Of course, one could set a flag to do the same, but I was wondering if
> there was a 'better' way
> 
> regs
> Vivek

i = 0
catch(:oops) do
    10.times { |i|
        throw :oops if (some condition)
        }
    end
puts "Loop terminated prematurely" if i < 9
exit