Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ncar!gatech!udel!new
From: new@udel.EDU (Darren New)
Newsgroups: comp.lang.smalltalk
Subject: Re: Quest. on Smalltalk
Message-ID: <6037@louie.udel.EDU>
Date: 19 Dec 88 20:27:19 GMT
References: <14@<Dec> <80500047@p.cs.uiuc.edu>
Sender: usenet@udel.EDU
Reply-To: new@udel.EDU (Darren New)
Organization: University of Delaware
Lines: 12

In article <80500047@p.cs.uiuc.edu> johnson@p.cs.uiuc.edu writes:
>
>>1. Is it possible to create a message at run time and then send it?
>>For those of you who know LISP, I am asking if Smalltalk has a
>>facility analogous to the EVAL statement.
>  . . .
>In general, however, perform: is safer and will probably do what
>you want.  Blocks can also often be used as the solution to problems
>of this type, as Scheme programmers well know.

Except that blocks are not reentrant. Also, if a block executes a return (^),
then it may not be called again.  Beware of this - it is very hard to debug.