From 1ea996b6765c6ca0bf0705ce5faade8326c0c93b Mon Sep 17 00:00:00 2001
From: William Carroll <wpcarro@gmail.com>
Date: Mon, 31 Aug 2020 14:51:27 +0100
Subject: Lint random.el

Usual lints... fixes usage in tree.el.
---
 emacs/.emacs.d/wpc/random.el | 64 +++++++++++++++++++++++++-------------------
 emacs/.emacs.d/wpc/tree.el   |  2 +-
 2 files changed, 37 insertions(+), 29 deletions(-)

diff --git a/emacs/.emacs.d/wpc/random.el b/emacs/.emacs.d/wpc/random.el
index 148506c04d4e..6ffdbd4de04a 100644
--- a/emacs/.emacs.d/wpc/random.el
+++ b/emacs/.emacs.d/wpc/random.el
@@ -1,5 +1,9 @@
 ;;; random.el --- Functions for working with randomness -*- lexical-binding: t -*-
+
 ;; Author: William Carroll <wpcarro@gmail.com>
+;; Version: 0.0.1
+;; Package-Requires: ((emacs "24"))
+;; Homepage: https://user.git.corp.google.com/wpcarro/briefcase
 
 ;;; Commentary:
 ;; Functions for working with randomness.  Some of this code is not as
@@ -7,6 +11,10 @@
 
 ;;; Code:
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dependencies
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (require 'prelude)
 (require 'number)
 (require 'math)
@@ -18,56 +26,56 @@
 ;; Library
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-(defun random/int (x)
+(defun random-int (x)
   "Return a random integer from 0 to `X'."
   (random x))
 
 ;; TODO: Make this work with sequences instead of lists.
-(defun random/choice (xs)
+(defun random-choice (xs)
   "Return a random element of `XS'."
   (let ((ct (list/length xs)))
     (list/get
-     (random/int ct)
+     (random-int ct)
      xs)))
 
-(defun random/boolean? ()
+(defun random-boolean? ()
   "Randonly return t or nil."
-  (random/choice (list t nil)))
+  (random-choice (list t nil)))
 
 ;; TODO: This may not work if any of these generate numbers like 0, 1, etc.
-(defun random/uuid ()
+(defun random-uuid ()
   "Return a generated UUID string."
   (let ((eight  (number/dec (math/triangle-of-power :base 16 :power 8)))
         (four   (number/dec (math/triangle-of-power :base 16 :power 4)))
         (twelve (number/dec (math/triangle-of-power :base 16 :power 12))))
     (format "%x-%x-%x-%x-%x"
-            (random/int eight)
-            (random/int four)
-            (random/int four)
-            (random/int four)
-            (random/int twelve))))
+            (random-int eight)
+            (random-int four)
+            (random-int four)
+            (random-int four)
+            (random-int twelve))))
 
-(defun random/token (length)
+(defun random-token (length)
   "Return a randomly generated hexadecimal string of LENGTH."
   (->> (series/range 0 (number/dec length))
-       (list/map (lambda (_) (format "%x" (random/int 15))))
+       (list/map (lambda (_) (format "%x" (random-int 15))))
        (list/join "")))
 
-;; TODO: Support random/sample
-(defun random/sample (n xs)
-  "Return a randomly sample of list XS of size N."
-  (prelude/assert (and (>= n 0) (< n (list/length xs))))
-  (cl-labels ((do-sample
-               (n xs y ys)
-               (if (= n (set/count ys))
-                   (->> ys
-                        set/to-list
-                        (list/map (lambda (i)
-                                    (list/get i xs))))
-                 (if (set/contains? y ys)
-                     (do-sample n xs (random/int (list/length xs)) ys)
-                   (do-sample n xs y (set/add y ys))))))
-    (do-sample n xs (random/int (list/length xs)) (set/new))))
+;; TODO: Support random-sample
+;; (defun random-sample (n xs)
+;;   "Return a randomly sample of list XS of size N."
+;;   (prelude/assert (and (>= n 0) (< n (list/length xs))))
+;;   (cl-labels ((do-sample
+;;                (n xs y ys)
+;;                (if (= n (set/count ys))
+;;                    (->> ys
+;;                         set/to-list
+;;                         (list/map (lambda (i)
+;;                                     (list/get i xs))))
+;;                  (if (set/contains? y ys)
+;;                      (do-sample n xs (random-int (list/length xs)) ys)
+;;                    (do-sample n xs y (set/add y ys))))))
+;;     (do-sample n xs (random-int (list/length xs)) (set/new))))
 
 (provide 'random)
 ;;; random.el ends here
diff --git a/emacs/.emacs.d/wpc/tree.el b/emacs/.emacs.d/wpc/tree.el
index 8ef88e4efdd1..9c35c8b3a33b 100644
--- a/emacs/.emacs.d/wpc/tree.el
+++ b/emacs/.emacs.d/wpc/tree.el
@@ -125,7 +125,7 @@ generating test data.  Warning this function can overflow the stack."
                 :children (->> (series/range 0 (number/dec bf))
                                (list/map
                                 (lambda (_)
-                                  (when (random/boolean?)
+                                  (when (random-boolean?)
                                     (do-random d vf bf))))))))
     (do-random 0 value-fn branching-factor)))
 
-- 
cgit 1.4.1