;;; 401-rust.el --- handle rust code

;;; Commentary:
;;  using rust-mode with rust-analyzer via lsp

;;; Code:
;; load rustic -> IDE like for rust
(use-package rustic
  :ensure t
  :init
  (setq rustic-lsp-server 'rust-analyzer)
  (setq rustic-format-on-save t))

;; use the lsp UI package
(use-package lsp-ui)

;; use rust-analyzer via lsp
;; (setq lsp-rust-analyzer-server-command '("~/.cargo/bin/rust-analyzer"))
;; (add-hook 'before-save-hook (lambda () (when (eq 'rust-mode major-mode)
;;					   (lsp-format-buffer))))

;; load the language-server-protocol (lsp)
;; (use-package lsp-mode
;;      :init
;;      (add-hook 'prog-mode-hook 'lsp-mode)
;;      :after rustic)

;;      ;; :config
;;      ;; (use-package lsp-flycheck
;;      ;;		:ensure f ; comes with lsp-mode
;;      ;;		:after rustic))

;; (push 'rustic-clippy flycheck-checkers)

;; Turn off flycheck.
;; (remove-hook 'rustic-mode-hook 'flycheck-mode)


;; ;; load rust-mode
;; (use-package rust-mode
;;     :mode "\\.rs\\'"
;;     :init
;;     (setq rust-format-on-save t))


;; ;; bind the lsp-rust mode
;; (use-package lsp-rust
;;   :after lsp-mode)

;; option: bind commands to keys:
;;   - lsp-rust-analyzer-join-lines
;;   - lsp-extend-selection
;;   - lsp-rust-analyzer-expand-macro


;; (autoload 'rust-mode "rust-mode"
;;   "Major mode for the rust programming language" t)

;; (add-hook 'rust-mode-hook #'racer-mode)
;; (add-hook 'racer-mode-hook #'eldoc-mode)
;; (add-hook 'racer-mode-hook #'company-mode)
;; (add-hook 'rust-mode-hook 'cargo-minor-mode)
;; (add-hook 'flycheck-mode #'flycheck-rust)
;; (add-hook 'flycheck-mode-hook #'flycheck-rust-setup)

;; ;; reccommended: use spaces instead of tabs
;; (add-hook 'rust-mode-hook
;;	  (lambda () (setq indent-tabs-mode nil)))

;; ;; on save, run rustfmt if installed (C-c C-f)
;; (setq rust-format-on-save t)

(provide '401-rust)
;;; 401-rust.el ends here