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-rw-r--r--gnu/services/configuration.scm26
1 files changed, 13 insertions, 13 deletions
diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm
index 367b85c1be..ecc5049a79 100644
--- a/gnu/services/configuration.scm
+++ b/gnu/services/configuration.scm
@@ -190,32 +190,32 @@ does not have a default value" field kind)))
(define (normalize-extra-args s)
"Extract and normalize arguments following @var{doc}."
(let loop ((s s)
- (sanitizer* %unset-value)
- (serializer* %unset-value))
+ (sanitizer* #f)
+ (serializer* #f))
(syntax-case s (sanitizer serializer empty-serializer)
(((sanitizer proc) tail ...)
- (if (maybe-value-set? sanitizer*)
- (syntax-violation 'sanitizer "duplicate entry"
- #'proc)
+ (if sanitizer*
+ (syntax-violation 'sanitizer
+ "duplicate entry" #'proc)
(loop #'(tail ...) #'proc serializer*)))
(((serializer proc) tail ...)
- (if (maybe-value-set? serializer*)
- (syntax-violation 'serializer "duplicate or conflicting entry"
- #'proc)
+ (if serializer*
+ (syntax-violation 'serializer
+ "duplicate or conflicting entry" #'proc)
(loop #'(tail ...) sanitizer* #'proc)))
((empty-serializer tail ...)
- (if (maybe-value-set? serializer*)
+ (if serializer*
(syntax-violation 'empty-serializer
"duplicate or conflicting entry" #f)
(loop #'(tail ...) sanitizer* #'empty-serializer)))
(() ; stop condition
(values (list sanitizer* serializer*)))
((proc) ; TODO: deprecated, to be removed.
- (null? (filter-map maybe-value-set? (list sanitizer* serializer*)))
+ (not (or sanitizer* serializer*))
(begin
(warning #f (G_ "specifying serializers after documentation is \
deprecated, use (serializer ~a) instead~%") (syntax->datum #'proc))
- (values (list %unset-value #'proc)))))))
+ (values (list #f #'proc)))))))
(syntax-case syn ()
((_ stem (field field-type+def doc extra-args ...) ...)
@@ -239,11 +239,11 @@ deprecated, use (serializer ~a) instead~%") (syntax->datum #'proc))
default-value))
#'((field-type def) ...)))
((field-sanitizer ...)
- (map maybe-value #'(sanitizer* ...)))
+ #'(sanitizer* ...))
((field-serializer ...)
(map (lambda (type proc)
(and serialize?
- (or (maybe-value proc)
+ (or proc
(if serializer-prefix
(id #'stem serializer-prefix #'serialize- type)
(id #'stem #'serialize- type)))))