From: Tanaka Akira <akr@...>
Date: 2008-04-10T14:39:44+09:00
Subject: Re: Hash.compare_by_identity

In article <E1JjpRE-0007iv-5j@x61.netlab.jp>,
  Yukihiro Matsumoto <matz@ruby-lang.org> writes:

> After an investigation, a method that takes two symbols does not work
> well except compare_by_identity case.  Dave Thomas suggested a method
> to take two lambdas instead.  It might be better, but since I am not
> sure how useful it is, I am not going to integrate it soon.

What's problem with the symbols?

lambdas has a problem.  If custom hash contains lambdas, it
cannot be marshaled.
-- 
Tanaka Akira