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-rw-r--r--pkg/u/util.go17
1 files changed, 17 insertions, 0 deletions
diff --git a/pkg/u/util.go b/pkg/u/util.go
new file mode 100644
index 0000000..34eafd1
--- /dev/null
+++ b/pkg/u/util.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)
+}