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Diffstat (limited to 'AoC2022/09/solver.el')
| -rw-r--r-- | AoC2022/09/solver.el | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/AoC2022/09/solver.el b/AoC2022/09/solver.el index cf5ac7f..778c508 100644 --- a/AoC2022/09/solver.el +++ b/AoC2022/09/solver.el @@ -14,6 +14,7 @@ ;; Day 09 ;; ;;; Code: +(require 'subr-x) (defsubst solver-diff (head tail) (cons (- (car head) (car tail)) (- (cdr head) (cdr tail)))) |