From: nobu.nokada@...
Date: 2004-03-27T04:52:24+09:00
Subject: Re: Save to use const Regexp in several threads?

Hi,

At Sat, 27 Mar 2004 01:44:31 +0900,
Ara.T.Howard wrote in [ruby-talk:95924]:
> __without__ the 'o' - i would have thought the compile once option would be
> required for this since you wouldn't want all the thread re-compiling it?
> 
> so you are saying 
> 
>  pat = %r/foo/    # right
>  pat = %r/foo/o   # wrong 
> 
>  Thread.new{ pat.match s}
>  Thread.new{ pat.match s}

No, regexp with o option will be evaluated at the written
place, so the above has no multi-threaded problems.

I meant:

  n.times {
    Thread.new {
      %r/#{yields_to(other_threads) while evaluating(long, time)}/o
    }
  }

-- 
Nobu Nakada