Unify key bindings: SLIME and Elisp

Our goal is to use consistent emacs shortcuts (key bindings) across SLIME and Emacs Lisp (Elisp).

For example, both SLIME and Elisp provide a function to display the documentation of the function at point (point is the current location of the keyboard cursor).

SLIME: slime-describe-function (C-c C-d f)

Elisp: describe-function (C-h f)

Note that their default key bindings differ. If you find this inconvenient when switching between SLIME and Elisp, you can set the same key binding for both.

Below, we use C-h f for both SLIME and Elisp

(cl-macrolet ((def (key fn) `(progn
                               (define-key slime-mode-map (kbd ,key) ,fn)
                               (define-key slime-repl-mode-map (kbd ,key) ,fn)))
              (clear (key) `(progn
                              (define-key slime-mode-map (kbd ,key) nil)
                              (define-key slime-repl-mode-map (kbd ,key) nil))))

;;; slime-describe-function: use `C-h f` instead of `C-c C-d f`
             (clear "C-c C-d C-f")
             (clear "C-c C-d f")
             (def "C-h f" 'slime-describe-function)

See unify-bindings.el for more.