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-rw-r--r--guix/records.scm9
1 files changed, 6 insertions, 3 deletions
diff --git a/guix/records.scm b/guix/records.scm
index 13463647c8..1f097c7108 100644
--- a/guix/records.scm
+++ b/guix/records.scm
@@ -592,13 +592,16 @@ found."
(define-syntax match-record-inner
(lambda (s)
(syntax-case s ()
- ((_ record type (field rest ...) body ...)
- #`(let-syntax ((field-offset (syntax-rules ()
+ ((_ record type ((field variable) rest ...) body ...)
+ #'(let-syntax ((field-offset (syntax-rules ()
((_ f)
(lookup-field field 0 f)))))
(let* ((offset (type map-fields field-offset))
- (field (struct-ref record offset)))
+ (variable (struct-ref record offset)))
(match-record-inner record type (rest ...) body ...))))
+ ((_ record type (field rest ...) body ...)
+ ;; Redirect to the canonical form above.
+ #'(match-record-inner record type ((field field) rest ...) body ...))
((_ record type () body ...)
#'(begin body ...)))))