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75d5807dcd
This fixes up a panic I accidentally introduced when refactoring the cursor code in `explore`: https://github.com/nushell/nushell/pull/12979 Under certain circumstances (running `:nu []`, opening `:try` with the hidden `try.reactive` setting enabled), `explore` would panic when handling an empty list. To fix this for now I've removed the validation I added to the Cursor constructor in that PR.
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.