Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!apple!susser
From: susser@Apple.COM (Joshua Susser)
Newsgroups: comp.lang.smalltalk
Subject: Re: How Do I Track Globals In Smalltalk/V?
Message-ID: <53721@apple.Apple.COM>
Date: 6 Jun 91 23:25:36 GMT
References: <42944@cup.portal.com>
Organization: Apple Computer Inc., Cupertino, CA
Lines: 22

In <42944@cup.portal.com> Will@cup.portal.com (Will E Estes)
inquires about cleaning up global variables.

CWatts@BNR.CA (Carl Watts) supplies the expression
    (Smalltalk reject: [:each | each isBehavior]) keys
as a way to find the names of all the non-class globals.  This is
great for finding the names, but
    (Smalltalk reject: [:each | each isBehavior]) inspect
gives you an dictionary inspector on all non-class globals.  Even
better, since the associations in this dictionary are the same
ones used in Smalltalk, the values are always current.

Will, you should remember that setting a global to nil doesn't
get rid of it - it's just left with a value of nil.  To remove
an obsolete global from the Smalltalk dictionary, use this:
    Smalltalk removeKey: #GlobalName.

Joshua Susser, Object Percussionist
Apple Computer, Advanced Technology Group
inet: susser@apple.com | link: susser.j | bell: 408/974-6997

Macintosh Jr. - The power to crush the other kids.