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# Description In order for `Stack::unwrap_unique` to work as intended, we currently manually track all references to the parent stack and ensure that they are cleared before calling `Stack::unwrap_unique` in the REPL. We also only call `Stack::unwrap_unique` after all code from the current REPL entry has finished executing. Since `Value`s cannot store `Stack` references, then this should have worked in theory. However, we forgot to account for threads. `run-external` (and maybe the plugin writers) can spawn threads that clone the `Stack`, holding on to references of the parent stack. These threads are not waited/joined upon, and so may finish after the eval has already returned. This PR removes the `Stack::unwrap_unique` function and associated debug assert that was [causing panics](https://gist.github.com/cablehead/f3d2608a1629e607c2d75290829354f7) like @cablehead found. # After Submitting Make values cheaper to clone as a more robust solution to the performance issues with cloning the stack. --------- Co-authored-by: Wind <WindSoilder@outlook.com> |
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| .. | ||
| nu_plugin_custom_values | ||
| nu_plugin_example | ||
| nu_plugin_formats | ||
| nu_plugin_gstat | ||
| nu_plugin_inc | ||
| nu_plugin_nu_example | ||
| nu_plugin_polars | ||
| nu_plugin_python | ||
| nu_plugin_query | ||
| nu_plugin_stress_internals | ||
| nu-cli | ||
| nu-cmd-base | ||
| nu-cmd-dataframe | ||
| nu-cmd-extra | ||
| nu-cmd-lang | ||
| nu-cmd-plugin | ||
| nu-color-config | ||
| nu-command | ||
| nu-engine | ||
| nu-explore | ||
| nu-glob | ||
| nu-json | ||
| nu-lsp | ||
| nu-parser | ||
| nu-path | ||
| nu-plugin | ||
| nu-plugin-core | ||
| nu-plugin-engine | ||
| nu-plugin-protocol | ||
| nu-plugin-test-support | ||
| nu-pretty-hex | ||
| nu-protocol | ||
| nu-std | ||
| nu-system | ||
| nu-table | ||
| nu-term-grid | ||
| nu-test-support | ||
| nu-utils | ||
| nuon | ||
| README.md | ||
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.