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# Description #14249 loaded `convert_env_values()` several times to force more updates to `ENV_CONVERSION`. This allows the user to treat variables as structured data inside `config.nu` (and others). Unfortunately, `convert_env_values()` did not originally anticipate being called more than once, so it would attempt to re-convert values that had already been converted. This usually leads to an error in the conversion closure. With this PR, values are only converted with `from_string` if they are still strings; otherwise they are skipped and their existing value is used. # User-Facing Changes No user-facing change when compared to 0.100, since closures written for 0.100's `ENV_CONVERSION` now work again without errors. # Tests + Formatting - 🟢 `toolkit fmt` - 🟢 `toolkit clippy` - 🟢 `toolkit test` - 🟢 `toolkit test stdlib` - # After Submitting Will remove the "workaround" from the Config doc preview.
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.