Synchronize parameters for various datasets
MEMBER
Hi ! the `desc` parameter is only available for Dataset / DatasetDict for the progress bar of `map()``

Since IterableDataset only runs the map functions when you iterate over the dataset, there is no progress bar and `desc` is useless. We could still add the argument for parity but it wouldn't be used for anything
2025-02-14T13:52:43Z
https://github.com/huggingface/datasets/issues/7399#issuecomment-2659394455
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I think you should add it. It doesn't hurt. The reason I ran into it was because I re-wrote a pipeline to use either a stream or a fully loaded dataset. Of course I can simply remove it but it is nice to have on the memory loaded dataset. 
2025-02-19T11:50:28Z
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### Describe the bug

[IterableDatasetDict](https://huggingface.co/docs/datasets/v3.2.0/en/package_reference/main_classes#datasets.IterableDatasetDict.map) map function is missing the `desc` parameter. You can see the equivalent map function for [Dataset here](https://huggingface.co/docs/datasets/v3.2.0/en/package_reference/main_classes#datasets.Dataset.map).

There might be other parameters missing - I haven't checked.

### Steps to reproduce the bug

from datasets import Dataset, IterableDataset, IterableDatasetDict

ds = IterableDatasetDict({"train": Dataset.from_dict({"a": range(6)}).to_iterable_dataset(num_shards=3), 
                          "validate": Dataset.from_dict({"a": range(6)}).to_iterable_dataset(num_shards=3)})

for d in ds["train"]:
    print(d)

ds = ds.map(lambda x: {k: v+1 for k, v in x.items()}, desc="increment")

for d in ds["train"]:
    print(d)

### Expected behavior

The description parameter should be available for all datasets (or none). 

### Environment info

- `datasets` version: 3.2.0
- Platform: Linux-6.1.85+-x86_64-with-glibc2.35
- Python version: 3.11.11
- `huggingface_hub` version: 0.28.1
- PyArrow version: 17.0.0
- Pandas version: 2.2.2
- `fsspec` version: 2024.9.0