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# Description Closes https://github.com/nushell/nushell/issues/12257 This was down to the use of `eval_block` instead of `eval_block_with_early_return`. We may want to reconsider how we differentiate between this behavior. We currently need to check all the remaining commands that can invoke a closure block, if they properly handle `ShellError::Return` as a passing of a `Value` - **Add test for `return` in `filter` closure** - **Fix use of `return` in `filter` closure** # User-Facing Changes You can now return a value from a `filter` closure # Tests + Formatting Regression test
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.