add hw2

node_modules/ramda/es/internal/_assoc.js

@@ -0,0 +1,31 @@
+import _isArray from "./_isArray.js";
+import _isInteger from "./_isInteger.js";
+/**
+ * Makes a shallow clone of an object, setting or overriding the specified
+ * property with the given value. Note that this copies and flattens prototype
+ * properties onto the new object as well. All non-primitive properties are
+ * copied by reference.
+ *
+ * @private
+ * @param {String|Number} prop The property name to set
+ * @param {*} val The new value
+ * @param {Object|Array} obj The object to clone
+ * @return {Object|Array} A new object equivalent to the original except for the changed property.
+ */
+
+export default function _assoc(prop, val, obj) {
+  if (_isInteger(prop) && _isArray(obj)) {
+    var arr = [].concat(obj);
+    arr[prop] = val;
+    return arr;
+  }
+
+  var result = {};
+
+  for (var p in obj) {
+    result[p] = obj[p];
+  }
+
+  result[prop] = val;
+  return result;
+}