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Delete ctags.md

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Andrey Cherkashin 2021-04-26 14:28:27 -07:00 committed by Joshua Nelson
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# ctags
One of the challenges with rustc is that the RLS can't handle it, since it's a
bootstrapping compiler. This makes code navigation difficult. One solution is to
use `ctags`.
`ctags` has a long history and several variants. Exuberant Ctags seems to be
quite commonly distributed but it does not have out-of-box Rust support. Some
distributions seem to use [Universal Ctags][utags], which is a maintained fork
and does have built-in Rust support.
The following script can be used to set up Exuberant Ctags:
[https://github.com/nikomatsakis/rust-etags][etags].
`ctags` integrates into emacs and vim quite easily. The following can then be
used to build and generate tags:
```console
$ rust-ctags src/lib* && ./x.py build <something>
```
This allows you to do "jump-to-def" with whatever functions were around when
you last built, which is ridiculously useful.
[etags]: https://github.com/nikomatsakis/rust-etags
[utags]: https://github.com/universal-ctags/ctags