Add rust

init.el

 (require 'init-sql)
 (require 'init-octave)
 (require 'init-solidity)
+(require 'init-rust)
 (require 'init-latex)
 (require 'init-mu4e)
 

lisp/init-rust.el

+;;; package --- Rust mode
+;;; Commentary:
+;;; Code:
+
+;; https://manenko.com/2016/08/03/setup-emacs-for-rust-development.html
+
+;;(require 'init-elpa)
+(require-package 'company)
+(require-package 'racer)
+(require-package 'rust-mode)
+(require-package 'flycheck)
+(require-package 'flycheck-rust)
+
+(require 'company)
+(require 'racer)
+(require 'rust-mode)
+(require 'electric)
+(require 'eldoc)
+(require 'flycheck)
+(require 'flycheck-rust)
+
+(add-to-list 'auto-mode-alist '("\\.rs\\'" . rust-mode))
+(add-hook 'rust-mode-hook  #'company-mode)
+(add-hook 'rust-mode-hook  #'racer-mode)
+(add-hook 'racer-mode-hook #'eldoc-mode)
+(add-hook 'flycheck-mode-hook #'flycheck-rust-setup)
+(add-hook 'rust-mode-hook
+          '(lambda ()
+             (setq racer-cmd (concat (getenv "HOME") "/.rust-dev/racer/target/release/racer"))
+             (setq racer-rust-src-path (concat (getenv "HOME") "/.rust-dev/rust/src"))
+             (local-set-key (kbd "TAB") #'company-indent-or-complete-common)
+             (electric-pair-mode 1)))
+
+;; rustfmt
+(setq rust-format-on-save t)
+
+(provide 'init-rust)
+
+;;; init-rust.el ends here