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# Description This changes the interface for plugins to always represent errors as `LabeledError`s. This is good for altlang plugins, as it would suck for them to have to implement and track `ShellError`. We save a lot of generated code from the `ShellError` serde impl too, so `nu` and plugins get to have a smaller binary size. Reduces the release binary size by 1.2 MiB on my build configuration. # User-Facing Changes - Changes plugin protocol. `ShellError` no longer serialized. - `ShellError` serialize output is different - `ShellError` no longer deserializes to exactly the same value as serialized # Tests + Formatting - 🟢 `toolkit fmt` - 🟢 `toolkit clippy` - 🟢 `toolkit test` - 🟢 `toolkit test stdlib` # After Submitting - [ ] Document in plugin protocol reference
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.