From 74a6cea7e6c95bad51c35781c8bb6988e7670f54 Mon Sep 17 00:00:00 2001
From: Peter Taoussanis <ptaoussanis@gmail.com>
Date: Wed, 24 Jun 2020 12:48:40 +0200
Subject: [PATCH] [#120] Update `freezable?` to cover `nil`

---
 src/taoensso/nippy/utils.clj | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/taoensso/nippy/utils.clj b/src/taoensso/nippy/utils.clj
index 2e00cabc..95014f17 100644
--- a/src/taoensso/nippy/utils.clj
+++ b/src/taoensso/nippy/utils.clj
@@ -93,6 +93,9 @@
   test for pre/post serialization value equality (there's no good general
   way of doing so)."
 
+  ;; TODO Not happy with this approach in general, could do with a refactor.
+  ;; Maybe return true/false/nil (nil => maybe)?
+
   ([x] (freezable? x nil))
   ([x {:keys [allow-clojure-reader? allow-java-serializable?]}]
    (if (is-coll? x)
@@ -102,6 +105,7 @@
        (is? x java.lang.String)
        (is? x java.lang.Long)
        (is? x java.lang.Double)
+       (nil? x)
 
        (is? x clojure.lang.BigInt)
        (is? x clojure.lang.Ratio)