package moslice

func Batch[T any](ts []T, size int) [][]T {
	if len(ts) == 0 || size <= 0 {
		return nil
	}

	numBatches := (len(ts) + size - 1) / size
	batches := make([][]T, 0, numBatches)

	for i := 0; i < len(ts); i += size {
		end := i + size
		if end > len(ts) {
			end = len(ts)
		}
		batches = append(batches, ts[i:end])
	}

	return batches
}