diff --git a/index.js b/index.js
index e69de29bb..e6a311c45 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,19 @@
+var updateObjectWithKeyAndValue = (object, key, value) =>
+  {
+    return Object.assign({}, object, {[key]:value});
+  }
+var destructivelyUpdateObjectWithKeyAndValue = (object, key, value) =>
+  {
+    return Object.assign(object, {[key]:value});
+  }
+var deleteFromObjectByKey = (object, key) =>
+  {
+    var newObject = Object.assign({}, object);
+    delete newObject[key];
+    return newObject;
+  }
+var destructivelyDeleteFromObjectByKey = (object, key) =>
+  {
+    delete object[key];
+    return object;
+  }