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# Description @ayax79 added `nu-cmd-lang` as a dep for `nu-plugin-test-support` in order to get access to `let`. Since we have the dep anyway now, we might as well just add all of the lang commands - there aren't very many of them and it would be less confusing than only `let` working. # User-Facing Changes - Can use some more core nu language features in plugin tests, like loops and `do` # Tests + Formatting - 🟢 `toolkit fmt` - 🟢 `toolkit clippy` - 🟢 `toolkit test` - 🟢 `toolkit test stdlib` # After Submitting - [ ] Might need to change something about the plugin testing section of the book, since I think it says something about there only being the plugin command itself available
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.