add hw2

node_modules/ramda/es/insert.js

@@ -0,0 +1,31 @@
+import _curry3 from "./internal/_curry3.js";
+/**
+ * Inserts the supplied element into the list, at the specified `index`. _Note that
+
+ * this is not destructive_: it returns a copy of the list with the changes.
+ * <small>No lists have been harmed in the application of this function.</small>
+ *
+ * @func
+ * @memberOf R
+ * @since v0.2.2
+ * @category List
+ * @sig Number -> a -> [a] -> [a]
+ * @param {Number} index The position to insert the element
+ * @param {*} elt The element to insert into the Array
+ * @param {Array} list The list to insert into
+ * @return {Array} A new Array with `elt` inserted at `index`.
+ * @example
+ *
+ *      R.insert(2, 'x', [1,2,3,4]); //=> [1,2,'x',3,4]
+ */
+
+var insert =
+/*#__PURE__*/
+_curry3(function insert(idx, elt, list) {
+  idx = idx < list.length && idx >= 0 ? idx : list.length;
+  var result = Array.prototype.slice.call(list, 0);
+  result.splice(idx, 0, elt);
+  return result;
+});
+
+export default insert;