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# Description Trying to help @amtoine out here - the spans calculated by `ast::Call` by `span()` and `argument_span()` are suspicious and are not properly guarding against `end` that might be before `start`. Just using `Span::merge()` / `merge_many()` instead to try to make the behaviour as simple and consistent as possible. Hopefully then even if the arguments have some crazy spans, we don't have spans that are just totally invalid. # Tests + Formatting I did check that everything passes with this.
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.