From 70e05f134d6e15443d2b0f8da7de76be5189dd10 Mon Sep 17 00:00:00 2001
From: Mateus Pinto Rodrigues <mprodrigues@posteo.net>
Date: Sun, 22 Apr 2018 11:24:19 -0300
Subject: [PATCH] General rust configuration for emacs

---
 elisp/custom.el     |  2 +-
 elisp/extras.el     |  1 +
 elisp/rust-setup.el | 12 ++++++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 elisp/rust-setup.el

diff --git a/elisp/custom.el b/elisp/custom.el
index 07f8718..f2a654d 100644
--- a/elisp/custom.el
+++ b/elisp/custom.el
@@ -8,7 +8,7 @@
     ("67e998c3c23fe24ed0fb92b9de75011b92f35d3e89344157ae0d544d50a63a72" default)))
  '(package-selected-packages
    (quote
-    (ess-smart-underscore company-tern auto-complete markdown-mode xref-js2 js2-refactor js2-mode writeroom-mode weechat counsel ivy-bibtex org-bullets paredit zenburn-theme slime rust-mode racket-mode polymode org lua-mode haskell-mode geiser ergoemacs-mode djvu auctex))))
+    (cargo racer ess-smart-underscore company-tern auto-complete markdown-mode xref-js2 js2-refactor js2-mode writeroom-mode weechat counsel ivy-bibtex org-bullets paredit zenburn-theme slime rust-mode racket-mode polymode org lua-mode haskell-mode geiser ergoemacs-mode djvu auctex))))
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
diff --git a/elisp/extras.el b/elisp/extras.el
index 56873d0..b060b95 100644
--- a/elisp/extras.el
+++ b/elisp/extras.el
@@ -20,3 +20,4 @@
 (load "~/.emacs.d/elisp/keypad.el")
 (load "~/.emacs.d/elisp/javascript.el")
 ;(load "~/.emacs.d/elisp/ess-setup.el")
+(load "~/.emacs.d/elisp/rust-setup.el")
diff --git a/elisp/rust-setup.el b/elisp/rust-setup.el
new file mode 100644
index 0000000..08d0b00
--- /dev/null
+++ b/elisp/rust-setup.el
@@ -0,0 +1,12 @@
+; Activate cargo minor-mode on rust-mode start
+(add-hook 'rust-mode-hook 'cargo-minor-mode)
+
+;; Activate racer on rust-mode start
+(add-hook 'rust-mode-hook #'racer-mode)
+(add-hook 'racer-mode-hook #'eldoc-mode)
+
+;; Code completion
+(add-hook 'racer-mode-hook #'company-mode)
+(require 'rust-mode)
+(define-key rust-mode-map (kbd "TAB") #'company-indent-or-complete-common)
+(setq company-tooltip-align-annotations t)