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Mention nix-doc 0.5.0

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Jade 2021-07-03 19:59:34 -07:00
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content/posts/finding-functions-in-nixpkgs.md
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@ -15,10 +15,24 @@ nixpkgs going from trivial to some effort.
## Simple ## Simple
These work on functions that have no wrappers around them, which account for These work on functions that have no wrappers around them, which account for
most library functions in nixpkgs. most library functions in nixpkgs. The option for `ctags` is a little bit
better because it will just show you the source code which you can subsequently
trace through.
### Static ### Static
#### ctags
As of version 0.5.0 (released 2021-07-03), `nix-doc` supports emitting ctags
files with `nix-doc tags .` from a nixpkgs checkout.
This lets you `:tag` things in vim or other editor supporting ctags and
instantly jump to them by name, as well as `CTRL-]` to jump to the symbol under
the cursor. It's clever enough to distinguish functions from other values at a
syntax level, but like every ctags tool that's about where it stops.
#### Search tools
Static analysis is, in my view, slightly slower, since you can't be sure you're Static analysis is, in my view, slightly slower, since you can't be sure you're
getting the function you're seeing in the interactive environment in `nix repl` getting the function you're seeing in the interactive environment in `nix repl`
or elsewhere. or elsewhere.