Perform calculations at compile time and load the result

From: Adam Warner (usenet_at_consulting.net.nz)
Date: 10/27/04 

Date: Wed, 27 Oct 2004 12:30:36 +1300

Hi all,

What's the idiom (without forcing read-time evaluation or dumping a new
Lisp image) to perform a lengthy calculation at compile time and return
the externalizable result at load time?

(eval-when (:compile-toplevel :load-toplevel :execute)
  (defvar *variable* ...lengthy calculation...))

The above approach computes everything at compile time and every time the
file is loaded in a new image.

Thanks,
Adam

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