diff options
| -rw-r--r-- | guix/records.scm | 9 | ||||
| -rw-r--r-- | tests/records.scm | 4 |
2 files changed, 8 insertions, 5 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 ...))))) diff --git a/tests/records.scm b/tests/records.scm index 8504c8d5a5..b1203dfeb7 100644 --- a/tests/records.scm +++ b/tests/records.scm @@ -540,8 +540,8 @@ Description: 1st line, (first second) (list first second)) (match-record (foo (first 'a) (second 'b)) <foo> - (second first) - (list first second))))) + (second (first first/new-var)) + (list first/new-var second))))) (test-equal "match-record, unknown field" 'syntax-error |