From: Jeremy Henty <jeremy@...>
Date: 2003-01-07T03:41:56+09:00
Subject: Re: ENV.clear

In article <1041841434.749629.28285.nullmailer@picachu.netlab.jp>,
Yukihiro Matsumoto wrote:

> ENV lacks the following methods:
> 
>   clear, replace, update, shift, invert
>   default_proc, default, defalt=
> 
> the latter three (deal default values) is meaningless.

Fair enough.

> "clear", "shift" and "update" are useless (in my opinion) but may be
                        ^^^^^^ should be "invert"? 
> harmless to have.

> "replace" and "update" (they are aliases) 

???  The pickaxe book says that "replace" deletes keys in the receiver
that are not in the argument, whereas "update" does not, so they are
not the same.  Surely ENV should behave this way too?

>  ... are good to have.  I will add them later.

Thank you!

Jeremy Henty