[bug#57654] [PATCH 08/16] gnu: Add cl-fakenil.

[jgart]

* gnu/packages/lisp-xyz.scm (cl-fakenil, ecl-fakenil, sbcl-fakenil):
New variables.
---
 gnu/packages/lisp-xyz.scm | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm
index 602af933a0..0db2c3e33d 100644
--- a/gnu/packages/lisp-xyz.scm
+++ b/gnu/packages/lisp-xyz.scm
@@ -23509,6 +23509,34 @@ (define-public cl-simple-guess
 (define-public ecl-simple-guess
   (sbcl-package->ecl-package sbcl-simple-guess))
 
+(define-public sbcl-fakenil
+  (package
+    (name "sbcl-fakenil")
+    (version "1.0")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+              (url "https://github.com/Hexstream/fakenil";)
+              (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32 "0ipqax3sgcs1dsgxz8d2pmfg324k6l35pn0nz89w5jl02fia61l3"))))
+    (build-system asdf-build-system/sbcl)
+    (native-inputs (list sbcl-parachute))
+    (home-page "https://www.hexstreamsoft.com/libraries/fakenil/";)
+    (synopsis "Provides a canonical stand-in for NIL")
+    (description
+"This package provides a canonical stand-in for NIL for contexts where
+NIL means no value.")
+    (license license:unlicense)))
+
+(define-public cl-fakenil
+  (sbcl-package->cl-source-package sbcl-fakenil))
+
+(define-public ecl-fakenil
+  (sbcl-package->ecl-package sbcl-fakenil))
+
 (define-public sbcl-smug
   (let ((commit "647a2428df297e1dd183ba7c19574bdb1320ae79")
         (revision "0"))
-- 
2.37.2