diff --git a/index.js b/index.js
index e69de29bb..c1fc64d98 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,23 @@
+var recipes = {
+
+}
+
+function updateObjectWithKeyAndValue(object, key, value) {
+return Object.assign({}, object, {[key]:value});
+}
+
+function destructivelyUpdateObjectWithKeyAndValue(object, key, value) {
+object[key] = value;
+return object;
+}
+
+function deleteFromObjectByKey(object, key) {
+var newObj = Object.assign({}, object);
+delete newObj[key];
+return newObj;
+}
+
+function destructivelyDeleteFromObjectByKey(object, key) {
+delete object[key];
+return object;
+}