NB *BREAKING*: refactor type defs, variable-sized types, etc.

Changes incl:
  - Hid a bunch of undocumented impl. details
  - A number of performance optimizations

README.md

@@ -50,18 +50,22 @@ As an example of what it can do, let's take a look at Nippy's own reference stre
 ```clojure
 nippy/stress-data
 =>
-{:bytes        (byte-array [(byte 1) (byte 2) (byte 3)])
+{:bytes     (byte-array [(byte 1) (byte 2) (byte 3)])
- :nil          nil
+ :nil       nil
- :boolean      true
+ :true      true
-
+ :false     false
- :char-utf8    \ಬ
+ :char      \ಬ
- :string-utf8  "ಬಾ ಇಲ್ಲಿ ಸಂಭವಿಸ"
+ :str-short "ಬಾ ಇಲ್ಲಿ ಸಂಭವಿಸ"
- :string-long  (apply str (range 1000))
+ :str-long  (apply str (range 1000))
- :keyword      :keyword
+ :kw        :keyword
- :ns-keyword   ::keyword
+ :kw-ns     ::keyword
+ :sym       'foo
+ :sym-ns    'foo/bar
+ :regex     #"^(https?:)?//(www\?|\?)?"
 
  :queue        (-> (PersistentQueue/EMPTY) (conj :a :b :c :d :e :f :g))
  :queue-empty  (PersistentQueue/EMPTY)
+ :queue-empty  (enc/queue)
  :sorted-set   (sorted-set 1 2 3 4 5)
  :sorted-map   (sorted-map :b 2 :a 1 :d 4 :c 3)
 
@@ -75,7 +79,12 @@ nippy/stress-data
  :set          #{1 2 3 4 5 #{6 7 8 #{9 10}}}
  :set-empty    #{}
  :meta         (with-meta {:a :A} {:metakey :metaval})
- :lazy-seq     (repeatedly 1000 rand)
+ :nested       [#{{1 [:a :b] 2 [:c :d] 3 [:e :f]} [] #{:a :b}}
+                #{{1 [:a :b] 2 [:c :d] 3 [:e :f]} [] #{:a :b}}
+                [1 [1 2 [1 2 3 [1 2 3 4 [1 2 3 4 5]]]]]]
+
+ :lazy-seq       (repeatedly 1000 rand)
+ :lazy-seq-empty (map identity '())
 
  :byte         (byte 16)
  :short        (short 42)

project.clj

@@ -15,7 +15,7 @@
   :dependencies
   [[org.clojure/clojure      "1.5.1"]
    [org.clojure/tools.reader "0.10.0"]
-   [com.taoensso/encore      "2.42.0"]
+   [com.taoensso/encore      "2.49.0"]
    [org.iq80.snappy/snappy   "0.4"]
    [org.tukaani/xz           "1.5"]
    [net.jpountz.lz4/lz4      "1.3"]]
@@ -30,11 +30,11 @@
    :test {:jvm-opts     ["-Xms1024m" "-Xmx2048m"]
           :dependencies [[org.clojure/test.check        "0.9.0"]
                          [org.clojure/data.fressian     "0.2.1"]
-                         [org.xerial.snappy/snappy-java "1.1.2.1"]]}
+                         [org.xerial.snappy/snappy-java "1.1.2.4"]]}
    :dev [:1.8 :test
          {:plugins
           [[lein-pprint  "1.1.2"]
-           [lein-ancient "0.6.8"]
+           [lein-ancient "0.6.10"]
            [lein-codox   "0.9.4"]]}]}
 
   :test-paths ["test" "src"]

src/taoensso/nippy/benchmarks.clj

@@ -65,17 +65,18 @@
 
 (comment
   (set! *unchecked-math* false)
-  ;; (bench {:reader? true :lzma2? true :fressian? true :laps 3})
+  ;; (bench {:reader? true :lzma2? true :fressian? true :laps 2})
-  ;; (bench {:laps 4})
+  ;; (bench {:laps 2})
 
-  ;;; 2016 Mar 8, v2.12.0-SNAPSHOT, new hardware
+  ;;; 2016 Apr 12, v2.12.0-SNAPSHOT, refactor + larger data + new hardware
-  {:reader    {:round 51217, :freeze 16729, :thaw 34488, :size 27698}}
+  {:reader    {:round 52734, :freeze 18066, :thaw 34668, :size 27839}}
-  {:lzma2     {:round 42066, :freeze 27249, :thaw 14817, :size 11232}}
+  {:lzma2     {:round 42746, :freeze 27586, :thaw 15160, :size 11252}}
-  {:fressian  {:round 6594,  :freeze 4789,  :thaw 1805,  :size 16985}}
+  {:fressian  {:round 6700,  :freeze 4968,  :thaw 1732,  :size 17074}}
-  {:encrypted {:round 4664,  :freeze 2856,  :thaw 1808,  :size 16132}}
+  {:encrypted {:round 4819,  :freeze 3024,  :thaw 1795,  :size 16164}}
-  {:default   {:round 4127,  :freeze 2546,  :thaw 1581,  :size 16113}}
+  {:default   {:round 4362,  :freeze 2695,  :thaw 1667,  :size 16134}}
-  {:fast1     {:round 3541,  :freeze 2024,  :thaw 1517,  :size 16975}}
+  {:fast1     {:round 3754,  :freeze 2149,  :thaw 1605,  :size 17052}}
-  {:fast2     {:round 3497,  :freeze 2018,  :thaw 1479,  :size 16971}}
+  {:fast2     {:round 3730,  :freeze 2156,  :thaw 1574,  :size 17048}}
+  ;; :reader/:default ratio: ~12.09
 
   ;;; 2015 Oct 6, v2.11.0-alpha4
   {:reader    {:round 73409, :freeze 21823, :thaw 51586, :size 27672}}
@@ -85,6 +86,7 @@
   {:default   {:round 6304,  :freeze 3824,  :thaw 2480,  :size 16122}}
   {:fast1     {:round 5352,  :freeze 3272,  :thaw 2080,  :size 16976}}
   {:fast2     {:round 5243,  :freeze 3238,  :thaw 2005,  :size 16972}}
+  ;; :reader/:default ratio: 11.64
   ;;
   {:reader    {:round 26,   :freeze 17,   :thaw 9,   :size 2}}
   {:lzma2     {:round 3648, :freeze 3150, :thaw 498, :size 68}}