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devel / comp.lang.lisp / Re: how to organize package?

Re: how to organize package?

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https://www.rocksolidbbs.com/devel/article-flat.php?id=16642&group=comp.lang.lisp#16642

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NNTP-Posting-Date: Sun, 11 Jul 2021 19:47:58 -0500
From: sgonedes1977@gmail.com (steve)
Newsgroups: comp.lang.lisp
Subject: Re: how to organize package?
References: <ro4slo$1hn9$1@adenine.netfront.net>
Date: Sun, 11 Jul 2021 20:47:58 -0400
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by: steve - Mon, 12 Jul 2021 00:47 UTC

Jinsong Zhao <jszhao@yeah.net> writes:

> Hi there,

> I am a newbie to package in common lisp. I try to write a toy package that may
> help me to understand how to organize the source code file.

just a tip, probably considered a bad idea; dump the packages until you
need them. I compile everything in :cl-user before I start messing with
packages...

> Here is the code in a file named "pack.lisp"

#| start a comment

(in-package "COMMON-LISP-USER")

(defpackage "MFP"
(:use "COMMON-LISP")
(:export func))

(in-package "MFP")

end of comment
|#

This is considered ``bad form'' in many languages; in lisp rapid
dewvelopment is the key.

Also you can recompile and then reload in the same image.

(progn (load "file") (compile 'func))

> I hope to run "func".
> (func)

the repl is a tuff nut to crack in LISP...