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nushell/crates
Kumar Ujjawal 2a8364d259 drop nth command supports spreadable arguments (#15897)
##  Improve `drop nth` command to support spreadable arguments

### Summary

This PR updates the `drop nth` command to support **spreadable
arguments** in a way consistent with other commands like `which`,
enabling:

```nu
[1 2 3 4 5] | drop nth 0 2 4
```

### What's Changed

* **Previously**: only a single index or a single range was accepted as
the first argument, with rest arguments ignored for ranges.

* **Now**: the command accepts any combination of:

  * Integers: to drop individual rows
  * Ranges: to drop slices of rows
  * Unbounded ranges: like `3..`, to drop from index onward

Example:

```nu
[one two three four five six] | drop nth 0 2 4..5
# drops "one", "three", "five", and "six"
```

### Test 

Manual Test:

![nu-dron_n](https://github.com/user-attachments/assets/02f3988c-ac02-4245-967c-16a9604be406)


### Notes

As per feedback:

* We **only collect the list of indices** to drop, not the input stream.
* Unbounded ranges are handled by terminating the stream early.

Let me know if you'd like further changes

---------

Co-authored-by: Kumar Ujjawal <kumar.ujjawal@greenpista.com>
Co-authored-by: Kumar Ujjawal <kumarujjawal@Kumars-MacBook-Air.local>
2025-06-21 15:57:14 -04:00
..
2025-06-12 07:57:01 -05:00
2022-02-07 14:54:06 -05:00

Nushell core libraries and plugins

These sub-crates form both the foundation for Nu and a set of plugins which extend Nu with additional functionality.

Foundational libraries are split into two kinds of crates:

  • Core crates - those crates that work together to build the Nushell language engine
  • Support crates - a set of crates that support the engine with additional features like JSON support, ANSI support, and more.

Plugins are likewise also split into two types:

  • Core plugins - plugins that provide part of the default experience of Nu, including access to the system properties, processes, and web-connectivity features.
  • Extra plugins - these plugins run a wide range of different capabilities like working with different file types, charting, viewing binary data, and more.