From: Tim Bates <tim@...>
Date: 2002-12-18T19:48:49+09:00
Subject: Re: $SAFE block?

On Wed, 18 Dec 2002 09:14 pm, nobu.nokada@softhome.net wrote:
> module Kernel
>   def safe(level)
>     proc {$SAFE = level; yield}.call
>   end
> end
>
> p Thread.current.safe_level		# => 0
> p safe(4) { Thread.current.safe_level }	# => 4
> p Thread.current.safe_level		# => 0

Much better! It doesn't use more threads, which is what I was looking for. I 
didn't realise Proc reset $SAFE at its end. Thanks a lot. And thanks to the 
person who submitted the other solution, even if it wasn't what I wanted.

Tim Bates
-- 
tim@bates.id.au