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Re: Activating a function when a variable is set
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From: |
Davis Herring |
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Subject: |
Re: Activating a function when a variable is set |
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Date: |
Thu, 25 Oct 2007 14:21:21 -0700 (PDT) |
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User-agent: |
SquirrelMail/1.4.8-6.el3.2lanl |
> Does anybody know if there is a way to activate a function when a
> variable is set to t and also when the same variable is set to nil?
As in, react immediately to (setq trapped-variable t)? No. With custom
variables you can react to them being customized by giving them a :set
attribute. But AFAIK there's no way to "detect" a change to a Lisp
variable.
Davis
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