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## Summary This PR removes the required positional argument from the `which` command, allowing it to accept input via the spread (`...`) operator. This enables expressions like: ```nu [notepad cmd] | which ...$in ``` Previously, this failed due to a missing required positional argument. The Nushell runtime already handles empty input gracefully, so the change aligns with existing behavior. --- ## Motivation Making `which` compatible with splatted input improves composability and aligns with user expectations in scriptable environments. It supports patterns where the input may be constructed dynamically or piped in from earlier commands. --- ## Changes * Removed the `required` attribute from the positional argument in the `which` command signature. * No additional runtime logic required since empty input is handled gracefully already. --- ## Examples ### Before ```nu [notepad cmd] | which ...$in # ❌ Error: Missing required positional argument ``` ### After ```nu [notepad cmd] | which ...$in # ✅ Executes correctly ``` --- ## Testing * Ran `cargo test --all` and `cargo test -p nu-command` * Manually tested using spread input with the `which` command * Confirmed that empty and non-empty inputs behave correctly --- ## Related Issues Closes [[#15801](https://github.com/nushell/nushell/issues/15801)](https://github.com/nushell/nushell/issues/15801) --------- Co-authored-by: Kumar Ujjawal <kumar.ujjawal@greenpista.com>
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.