some more simplifications

elisp/extras.el

@@ -60,9 +60,8 @@
 
 (use-package pdf-tools
   :config
-  (progn
-   (pdf-tools-install)
-   (setq pdf-view-midnight-colors '("#DCDCCC" . "#3F3F3F"))))
+  (pdf-tools-install)
+  (setq pdf-view-midnight-colors '("#DCDCCC" . "#3F3F3F")))
 
 (use-package saveplace-pdf-view)
 
@@ -118,7 +117,6 @@
 
 (use-package tomlparse)
 
-;; TODO I'm only using demand so <f3> is set from the start
 (use-package treemacs
   :demand t
   :bind ("<f3>" . treemacs))
@@ -131,7 +129,8 @@
 ;; Common Lisp
 (use-package slime
   :config
-  (load "~/.emacs.d/elisp/slime-setup.el"))
+  (slime-setup '(slime-fancy slime-quicklisp slime-asdf slime-mrepl))
+  (setq inferior-lisp-program "sbcl"))
 
 (use-package paredit
   :hook ((lisp-mode emacs-lisp-mode) . paredit-mode))
@@ -141,8 +140,12 @@
 
 ;; Rust
 (use-package rust-mode
+  :hook ((rust-mode . cargo-minor-mode)
+         (rust-mode . racer-mode)
+         (racer-mode . eldoc-mode))
   :config
-  (load "~/.emacs.d/elisp/rust-setup.el"))
+  (keymap-set rust-mode-map "TAB" #'company-indent-or-complete-common)
+  (setq company-tooltip-align-annotations t))
 
 ;; Haskell
 (use-package haskell-mode)

elisp/slime-setup.el

@@ -1,7 +1,3 @@
-;;;; slime setup
-(slime-setup '(slime-fancy slime-quicklisp slime-asdf slime-mrepl))
-(setq inferior-lisp-program "sbcl")
-
 ;; ;;; use my local copy of the Common Lisp HyperSpec
 ;; (load "~/clhs-use-local.el" t)