Added a method that creates a transduce-compatible rf - mapseq-rf

src/tech/v3/dataset.clj

@@ -772,6 +772,14 @@ _unnamed [5 4]:
   (tech.v3.dataset.readers/mapseq-reader dataset)))
 
 
+(defn mapseq-rf
+  "Create a transduce-compatible rf that reduces a sequence of maps into a dataset"
+  ([]
+  (tech.v3.dataset-api/mapseq-rf ))
+  ([options]
+  (tech.v3.dataset-api/mapseq-rf options)))
+
+
 (defn min-n-by-column
   "Find the minimum N entries (unsorted) by column.  Resulting data will be indexed in
   original order. If you want a sorted order then sort the result.

src/tech/v3/dataset/metamorph_api.clj

@@ -26,7 +26,7 @@
 
 (def ^:private excludes-dataset
   '#{bind-> all-descriptive-stats-names major-version ->dataset ->>dataset column-map-m
-     mapseq-parser})
+     mapseq-parser mapseq-rf})
 
 
 

src/tech/v3/dataset_api.clj

@@ -262,6 +262,22 @@ _unnamed [5 4]:
   ([] (mapseq-parser nil)))
 
 
+(defn mapseq-rf
+  "Create a transduce-compatible rf that reduces a sequence of maps into a dataset.
+  Same options as [[->dataset]].
+
+```clojure
+user> (transduce (map identity) (ds/mapseq-rf {:dataset-name :transduced}) [{:a 1 :b 2}])
+:transduced [1 2]:
+
+| :a | :b |
+|---:|---:|
+|  1 |  2 |
+```"
+  ([] (mapseq-rf nil))
+  ([options] (-> (io-mapseq/mapseq-reducer options) (hamf/reducer->rf))))
+
+
 
 (defmacro bind->
   "Threads like `->` but binds name to expr like `as->`: