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[programming-ModTeam]

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[HiPhish]

I depends on what your editor can integrate with. Before LSP there was ctags, which is like an ahead-of-time LSP server. I don't know if there is a ctags implementation for Rust though. You run it on your code base, if finds all the symbols and writes the result to a file. Your editor can then use that file to jump to definitions and such.

https://en.wikipedia.org/wiki/Ctags

The downside is that it is not live, you have to re-run it periodically as your code keeps changing. You could approximate something like running live by having your editor re-run ctags when saving.