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-rw-r--r--module/util.scm5
1 files changed, 5 insertions, 0 deletions
diff --git a/module/util.scm b/module/util.scm
index 04d13220..fce1c014 100644
--- a/module/util.scm
+++ b/module/util.scm
@@ -486,6 +486,11 @@
(and=>> (and=> value proc)
rest ...)]))
+;; @example
+;; (group (iota 10) 2)
+;; ⇒ ((0 1) (2 3) (4 5) (6 7) (8 9))
+;; @end example
+;; Requires that width|(length list)
(define-public (group list width)
(unless (null? list)
(let* ((row rest (split-at list width)))