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-rw-r--r--day05.scm8
1 files changed, 4 insertions, 4 deletions
diff --git a/day05.scm b/day05.scm
index d5334c6..ef25d1b 100644
--- a/day05.scm
+++ b/day05.scm
@@ -2,6 +2,7 @@
#:use-module (ice-9 rdelim)
#:use-module (ice-9 regex)
#:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-69))
@@ -51,10 +52,9 @@
(let ((line (read-line port)))
(if (or (eof-object? line) (string=? "" line))
rules
- (call-with-values (lambda () (parse-ordering-rule line))
- (lambda (before after)
- (ordering-rules-add! rules before after)
- (loop)))))))
+ (let-values (((before after) (parse-ordering-rule line)))
+ (ordering-rules-add! rules before after)
+ (loop))))))
(define page-update-regexp (make-regexp "^([0-9]+,)*[0-9]+$"))