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# Description This PR implements an experimental inter-job communication model, through direct message passing, aka "mail"ing or "dm"ing: - `job send <id>`: Sends a message the job with the given id, the root job has id 0. Messages are stored in the recipient's "mailbox" - `job recv`: Returns a stored message, blocks if the mailbox is empty - `job flush`: Clear all messages from mailbox Additionally, messages can be sent with a numeric tag, which can then be filtered with `mail recv --tag`. This is useful for spawning jobs and receiving messages specifically from those jobs. This PR is mostly a proof of concept for how inter-job communication could look like, so people can provide feedback and suggestions Closes #15199 May close #15220 since now jobs can access their own id. # User-Facing Changes Adds, `job id`, `job send`, `job recv` and `job flush` commands. # Tests + Formatting [X] TODO: Implement tests [X] Consider rewriting some of the job-related tests to use this, to make them a bit less fragile. # After Submitting
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.