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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 |
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nu-protocol
The nu-protocol crate holds the definitions of structs/traits that are used throughout Nushell. This gives us one way to expose them to many other crates, as well as make these definitions available to each other, without causing mutually recursive dependencies.