From 3c509d98eddeb205636a5f8c88ac83b08e43934a Mon Sep 17 00:00:00 2001
From: Pierre Neidhardt <mail@ambrevar.xyz>
Date: Thu, 30 Jun 2022 17:47:10 +0200
Subject: gnu: Add slot-extra-options.

* gnu/packages/lisp-xyz.scm (cl-slot-extra-options, ecl-slot-extra-options,
sbcl-slot-extra-options): New variables.
---
 gnu/packages/lisp-xyz.scm | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm
index 940925174a..6edbbeb7be 100644
--- a/gnu/packages/lisp-xyz.scm
+++ b/gnu/packages/lisp-xyz.scm
@@ -22040,3 +22040,45 @@ to dispatch on the basis of types rather than classes.")
 
 (define-public ecl-polymorphic-functions
   (sbcl-package->ecl-package sbcl-polymorphic-functions))
+
+(define-public sbcl-slot-extra-options
+  (let ((commit "29517d980325cd63744f1acf4cfe5c8ccec2b318"))
+    (package
+      (name "sbcl-slot-extra-options")
+      (version (git-version "1.1.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/some-mthfka/slot-extra-options/")
+               (commit commit)))
+         (file-name (git-file-name "cl-slot-extra-options" version))
+         (sha256
+          (base32 "1b2swhjjs0w1034cy045q8l3ndmci7rjawka39q23vncy6d90497"))))
+      (build-system asdf-build-system/sbcl)
+      (inputs
+       (list sbcl-alexandria
+             sbcl-closer-mop
+             sbcl-serapeum
+             sbcl-iterate))
+      (native-inputs
+       (list sbcl-parachute))
+      (home-page "https://github.com/some-mthfka/slot-extra-options/")
+      (synopsis "Extra options for slots using MOP")
+      (description
+       "This library lets you build a metaclass which in turn lets you specify
+extra slot options in its classes.  Options may be easily inspected and custom
+inheritence may be set up.  The Meta-Object Protocol (MOP) is used for the
+implementation - through @code{closer-mop}.  Some convenience function for
+processing slot options are also available.
+
+Possible use case: you want to automatically set up some definitions based on
+some slots, but you want to have control over it right in the class
+definition.")
+      (license license:lgpl3+))))
+
+(define-public cl-slot-extra-options
+  (sbcl-package->cl-source-package sbcl-slot-extra-options))
+
+(define-public ecl-slot-extra-options
+  (sbcl-package->ecl-package sbcl-slot-extra-options))
-- 
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