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Re: Execute a string as a command
From: |
Barry Margolin |
Subject: |
Re: Execute a string as a command |
Date: |
Sat, 07 Nov 2015 13:32:12 -0500 |
User-agent: |
MT-NewsWatcher/3.5.3b3 (Intel Mac OS X) |
In article <mailman.1860.1446859974.7904.help-gnu-emacs@gnu.org>,
Tim Johnson <tim@akwebsoft.com> wrote:
> * Emanuel Berg <embe8573@student.uu.se> [151106 12:47]:
> > Tim Johnson <tim@akwebsoft.com> writes:
> >
> > > I can't get to that phase for another day or two..
> > > thanks, Emanuel.
> >
> > No, there are much better things for you to do than to
> > digest that code. For example, ask yourself why you
> > want to execute strings as commands, and if there is
> > a better way still.
> >
> > That code of mine is more like a demo to show of
> > skills and attract ohs and ahs. It is not really
> > helpful (tho sometimes I use it so it *does* work).
>
> By this time, you've probably read from the continuation of this
> thread that I had problems with setting up the menu structure so
> that command objects could be read from it. Thus I used a string
> representation to see if that could be evaluated.
The usual way to implement things like this is with an association list.
The key is the string that's displayed in the menu, and the value is a
symbol that names a function or a lambda expression.
--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
Re: Execute a string as a command, Random832, 2015/11/05