From: Tanaka Akira <akr@...17n.org>
Date: 2003-11-16T19:51:42+09:00
Subject: Re: open-uri patch, added progress_proc hook

In article <AD4480A509455343AEFACCC231BA850F17C358@ukexchange>,
  Elliott Hughes <ehughes@bluearc.com> writes:

> I know static checking isn't really Ruby's thing, but avoiding weirdness
> like parameters that are hashtables full of uncheckable parameters has to be
> a good thing! 

If the benefit of that is parameter checking, how about this style:

open("http://...", OpenURI::OptProgressProc => lambda {|s| ... })

OpenURI::OptProgressProc is a some constant of a symbol.
-- 
Tanaka Akira