So when using rust-analyzer with Emacs, I've noticed that it lists code transformation suggestions based on where your cursor is, and you can optionally choose

So when using rust-analyzer with Emacs, I've noticed that it lists code transformation suggestions based on where your cursor is, and you can optionally choose to apply those. That seems to be generic, e.g., rust-analyzer provides the suggestions, and lsp-mode is just listing them. Though I don't know that for sure.