diff --git a/index.js b/index.js
index e69de29bb2..f4def97239 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,17 @@
+function updateObjectWithKeyAndValue(object, key, value){
+  var new_obj = Object.assign({},object,{[key]:value})
+  return new_obj
+}
+function destructivelyUpdateObjectWithKeyAndValue(object, key, value){
+  object[key] = value
+  return object
+}
+function deleteFromObjectByKey(object, key){
+  var new_obj  = Object.assign({},Object)
+  delete new_obj[key]
+  return new_obj
+}
+function destructivelyDeleteFromObjectByKey(object, key){
+  delete object[key]
+  return object
+}
\ No newline at end of file