Created pluck operator for stream.

markostanimirovic · Jul 11, 2019 · b790b7e · b790b7e
1 parent e6ced30
commit b790b7e
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Showing 5 changed files with 5 additions and 29 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
diff --git a/README.md b/README.md
@@ -10,7 +10,7 @@ To use Re-Streamer in your Leiningen project, add this dependency in project.clj
 
 ## Examples
 
-Check examples directory in this repository.
+Check examples directory.
 
 ## License
 

diff --git a/doc/intro.md b/doc/intro.md
diff --git a/project.clj b/project.clj
@@ -1,4 +1,4 @@
-(defproject org.clojars.stanimirovic/re-streamer "0.2.4"
+(defproject org.clojars.stanimirovic/re-streamer "0.2.5"
   :description "Clojure and ClojureScript Library for Reactive Programming"
   :url "https://github.com/stanimirovic/re-streamer"
   :license {:name "EPL-2.0 OR GPL-2.0-or-later WITH Classpath-exception-2.0"

diff --git a/src/re_streamer/stream.cljc b/src/re_streamer/stream.cljc
@@ -22,6 +22,9 @@
                                   ((:subscribe! stream) (comp sub f))))
       (select-keys [:subscribe! :unsubscribe! :flush!])))
 
+(defn pluck [stream keys]
+  (map stream #(select-keys % keys)))
+
 (defn filter [stream f]
   (-> (assoc stream :subscribe! (fn [sub]
                                   ((:subscribe! stream) #(if (f %) (sub %)))))