this post was submitted on 17 Oct 2023
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Why do some folks use keywords instead of symbols? (alien.top)
submitted 11 months ago by funk443@alien.top to c/lisp
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For example, I've seen someone defining a package like so:

(defpackage :foobar
  (:use :cl))

instead of:

(defpackage foobar
  (:use cl))

Is there any actual difference? Or it's just a personal preference, and has no effect on the program at all?

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[–] eadmund@alien.top 1 points 11 months ago

As an aside, I think that every Common Lisp implementation should support a modern mode. The upcasing behaviour of CL — defensible at the time — is in hindsight an easily-fixable mistake.