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Diffstat (limited to '2024/aoc-utils.scm')
| -rw-r--r-- | 2024/aoc-utils.scm | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/2024/aoc-utils.scm b/2024/aoc-utils.scm index 5deb269..ed16bfd 100644 --- a/2024/aoc-utils.scm +++ b/2024/aoc-utils.scm @@ -5,6 +5,7 @@ #:use-module (ice-9 rdelim) #:export (file->list file->str + file->matrix lines->number-list)) (define (file->list filename) @@ -15,6 +16,9 @@ (define (file->str filename) (call-with-input-file filename read-string)) +(define (file->matrix filename) + (map string->list (file->list filename))) + (define (lines->number-list lines) (map (lambda (line) (map string->number (string-split line #\Space))) |