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# Description This allows plugins to view the source code of spans. Requested by @ayax79 for implementing `polars ls`. Note that this won't really help you find the location of the span. I'm planning to add another engine call that will return information more similar to what shows up in the miette diagnostics, with filename / line number / some context, but I'll want to refactor some of the existing logic to make that happen, so it was easier to just do this first. I hope this is enough to at least have something somewhat useful show up for `polars ls`. # User-Facing Changes - Example plugin: added `example view span` command # Tests + Formatting - 🟢 `toolkit fmt` - 🟢 `toolkit clippy` - 🟢 `toolkit test` - 🟢 `toolkit test stdlib` # After Submitting - [ ] Add to 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.