diff --git a/index.js b/index.js
index e69de29bb2..42d904946c 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,20 @@
+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) {
+  let obj =  Object.assign({}, object);
+  delete obj[key];
+  return obj;
+}
+
+function destructivelyDeleteFromObjectByKey(object, key) {
+  delete object[key]
+  return object;
+}