[bug#59747] [PATCH] services: configuration: rework alist? procedure

[mirai]

From: Bruno Victal <mirai@makinata.eu>

* gnu/services/configuration.scm: rework alist? procedure
---
 gnu/services/configuration.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm
index dacfc52ba9..5bbb032c66 100644
--- a/gnu/services/configuration.scm
+++ b/gnu/services/configuration.scm
@@ -436,7 +436,11 @@ (define (list-of pred?)
 (define list-of-strings?
   (list-of string?))
 
-(define alist? list?)
+(define alist?
+  (match-lambda
+    (() #t)
+    ((and (= car head) (= cdr tail)) (and (pair? head) (alist? tail)))
+    (_ #f)))
 
 (define serialize-file-like empty-serializer)
 

base-commit: 748ec628826cea3faa3679074d87fae9bc810080
-- 
2.38.1