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# Description Fixes: #11394 When run `^sleep 3` we have an `exit_code ListStream`, and when we press ctrl-c, this `ListStream` will return None. But it's not expected, because `exit_code` sender in `run_external` always send an exit code out. This pr is trying to fix the issue by introducing a `first_guard` into ListStream, it will always generate a value from underlying stream if `first_guard` is true, so it's guarantee to have at least one value to return. And the pr also do a little refactor, which makes use of `ListStream::from_stream` rather than construct it manually. # User-Facing Changes ## Before ``` > nu -c "^sleep 3" # press ctrl-c > echo $env.LAST_EXIT_CODE 0 ``` ## After ``` > nu -c "^sleep 3" # press ctrl-c > echo $env.LAST_EXIT_CODE 255 ``` # Tests + Formatting None, sorry that I don't think it's easy to test the ctrlc behavior. # After Submitting None
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.