From: Eric Hodel <drbrain@...7.net>
Date: 2006-06-14T13:27:48+09:00
Subject: Re: ENV['x'] = nil doesn't work in 1.9

On Jun 13, 2006, at 9:19 PM, Eric Hodel wrote:

> $ ruby19 -ve 'ENV["x"] = nil'
> ruby 1.9.0 (2006-06-13) [powerpc-darwin8.6.0]
> -e:1:in `ENV#[]=': can't convert nil into String (TypeError)
>         from -e:1
>
> $ ruby -ve 'ENV["x"] = nil'
> ruby 1.8.4 (2006-05-18) [powerpc-darwin8.6.0]

Ah, I see, hash.c revision 1.150 references [ruby-list:40865] (which  
excite.co.jp doesn't coherently translate).

It looks like ENV#delete should be used instead.

-- 
Eric Hodel - drbrain@segment7.net - http://blog.segment7.net
This implementation is HODEL-HASH-9600 compliant

http://trackmap.robotcoop.com