Lint tuple.el

- add Version, URL, Package-Requires sections
- prefer `tuple-` prefix to `tuple/`

emacs/.emacs.d/wpc/tuple.el

@@ -1,5 +1,9 @@
 ;;; tuple.el --- Tuple API for Elisp -*- lexical-binding: t -*-
+
 ;; Author: William Carroll <wpcarro@gmail.com>
+;; Version: 0.0.1
+;; URL: https://git.wpcarro.dev/wpcarro/briefcase
+;; Package-Requires: ((emacs "25.1"))
 
 ;;; Commentary:
 ;; Work with cons cells with two elements with a familiar API for those who have
@@ -7,78 +11,82 @@
 
 ;;; Code:
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Library
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (cl-defstruct tuple first second)
 
 ;; Create
-(defun tuple/new ()
+(defun tuple-new ()
   "Return an empty tuple."
   (make-tuple :first nil
               :second nil))
 
-(defun tuple/from (a b)
+(defun tuple-from (a b)
   "Return a new tuple from A and B."
   (make-tuple :first a
               :second b))
 
-(defun tuple/from-dotted (dp)
+(defun tuple-from-dotted (dp)
   "Convert dotted pair, DP, into a tuple."
-  (tuple/from (car dp) (cdr dp)))
+  (tuple-from (car dp) (cdr dp)))
 
 ;; Read
-(defun tuple/first (pair)
+(defun tuple-first (pair)
   "Return the first element of PAIR."
   (tuple-first pair))
 
-(defun tuple/second (pair)
+(defun tuple-second (pair)
   "Return the second element of PAIR."
   (tuple-second pair))
 
 ;; Update
-(defun tuple/map-each (f g pair)
+(defun tuple-map-each (f g pair)
   "Apply F to first, G to second in PAIR."
   (->> pair
-       (tuple/map-first f)
-       (tuple/map-second g)))
+       (tuple-map-first f)
+       (tuple-map-second g)))
 
-(defun tuple/map (f pair)
+(defun tuple-map (f pair)
   "Apply F to PAIR."
   (let ((pair-copy (copy-tuple pair)))
     (funcall f pair-copy)))
 
-(defun tuple/map-first (f pair)
+(defun tuple-map-first (f pair)
   "Apply function F to the first element of PAIR."
   (let ((pair-copy (copy-tuple pair)))
-    (setf (tuple-first pair-copy) (funcall f (tuple/first pair-copy)))
+    (setf (tuple-first pair-copy) (funcall f (tuple-first pair-copy)))
     pair-copy))
 
-(defun tuple/map-second (f pair)
+(defun tuple-map-second (f pair)
   "Apply function F to the second element of PAIR."
   (let ((pair-copy (copy-tuple pair)))
-    (setf (tuple-second pair-copy) (funcall f (tuple/second pair-copy)))
+    (setf (tuple-second pair-copy) (funcall f (tuple-second pair-copy)))
     pair-copy))
 
-(defun tuple/set-first (a pair)
+(defun tuple-set-first (a pair)
   "Return a new tuple with the first element set as A in PAIR."
-  (tuple/map-first (lambda (_) a) pair))
+  (tuple-map-first (lambda (_) a) pair))
 
-(defun tuple/set-second (b pair)
+(defun tuple-set-second (b pair)
   "Return a new tuple with the second element set as B in PAIR."
-  (tuple/map-second (lambda (_) b) pair))
+  (tuple-map-second (lambda (_) b) pair))
 
 ;; Delete
-(defun tuple/delete-first (pair)
+(defun tuple-delete-first (pair)
   "Return PAIR with the first element set to nil."
-  (tuple/set-first nil pair))
+  (tuple-set-first nil pair))
 
-(defun tuple/delete-second (pair)
+(defun tuple-delete-second (pair)
   "Return PAIR with the second element set to nil."
-  (tuple/set-second nil pair))
+  (tuple-set-second nil pair))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Predicates
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-(defun tuple/instance? (x)
+(defun tuple-instance? (x)
   "Return t if X is a tuple."
   (tuple-p x))