rust-analyzer
Why didn't anyone tell me that in addition to checking your code for errors and lints you could get rust-analyzer to write code for you?
Using <Space a> in helix brings up a context-sensitive menu that will generate missing methods, convert qualified paths to use statements or vice-verse, and otherwise clean up your code for you.
To think that all this time I've been programming with my fingers like a chump.
The infrequently updated blog.