Source code for gigl.common.collections.itertools

from typing import List, TypeVar



T = TypeVar("T")





def batch(list_of_items: List[T], chunk_size: int) -> List[List[T]]:
    """Takes a list of items and batches them into provided chunk sizes.
    i.e. batch([1, 2, 3, 4, 5], 2) --> [[1, 2], [3, 4], [5]]

    Args:
        list_of_items (List[T]): The list of items to be batched
        chunk_size (int): The desired size of each batch

    Returns:
        List[List[T]]: A list of batches of items
    """
    batched_list: List[List[T]] = [
        list_of_items[i : i + chunk_size]
        for i in range(0, len(list_of_items), chunk_size)
    ]
    return batched_list