From: Nobuyoshi Nakada <nobu@...>
Date: 2007-07-20T12:45:38+09:00
Subject: Re: RCR? Added syntax for chains that possibly return nil

Hi,

At Fri, 20 Jul 2007 08:35:20 +0900,
Stephen Duncan wrote in [ruby-talk:260854]:
> Not sure if the existence of features in other languages is generally
> considered a good support for RCR's, but Groovy has this feature:
> http://groovy.codehaus.org/Statements#Statements-Safenavigation (though the
> syntax can't be borrowed)

It reminded me of a patch in `[ruby-dev:28217] ANDCALL
operator'.  It was &? though.

http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/28217

-- 
Nobu Nakada