add hw2

node_modules/ramda/es/update.js

@@ -0,0 +1,33 @@
+import _curry3 from "./internal/_curry3.js";
+import adjust from "./adjust.js";
+import always from "./always.js";
+/**
+ * Returns a new copy of the array with the element at the provided index
+ * replaced with the given value.
+ *
+ * @func
+ * @memberOf R
+ * @since v0.14.0
+ * @category List
+ * @sig Number -> a -> [a] -> [a]
+ * @param {Number} idx The index to update.
+ * @param {*} x The value to exist at the given index of the returned array.
+ * @param {Array|Arguments} list The source array-like object to be updated.
+ * @return {Array} A copy of `list` with the value at index `idx` replaced with `x`.
+ * @see R.adjust
+ * @example
+ *
+ *      R.update(1, '_', ['a', 'b', 'c']);      //=> ['a', '_', 'c']
+ *      R.update(-1, '_', ['a', 'b', 'c']);     //=> ['a', 'b', '_']
+ * @symb R.update(-1, a, [b, c]) = [b, a]
+ * @symb R.update(0, a, [b, c]) = [a, c]
+ * @symb R.update(1, a, [b, c]) = [b, a]
+ */
+
+var update =
+/*#__PURE__*/
+_curry3(function update(idx, x, list) {
+  return adjust(idx, always(x), list);
+});
+
+export default update;