1 files changed, 17 insertions, 0 deletions
diff --git a/pkg/u/list.go b/pkg/u/list.go
new file mode 100644
index 0000000..34eafd1
--- /dev/null
+++ b/pkg/u/list.go
@@ -0,0 +1,17 @@
+package u
+
+func First[T any](v []T) (T, bool) {
+	if len(v) == 0 {
+		var zero T
+		return zero, false
+	}
+	return v[0], true
+}
+
+func ChunkBy[T any](items []T, chunkSize int) [][]T {
+	var chunks = make([][]T, 0, (len(items)/chunkSize)+1)
+	for chunkSize < len(items) {
+		items, chunks = items[chunkSize:], append(chunks, items[0:chunkSize:chunkSize])
+	}
+	return append(chunks, items)
+}