Bump to v4.0.0.

partialRight.js

@@ -0,0 +1,44 @@
+var createWrapper = require('./internal/createWrapper'),
+    replaceHolders = require('./internal/replaceHolders'),
+    rest = require('./rest');
+
+/** Used to compose bitmasks for wrapper metadata. */
+var PARTIAL_RIGHT_FLAG = 64;
+
+/**
+ * This method is like `_.partial` except that partially applied arguments
+ * are appended to those provided to the new function.
+ *
+ * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
+ * builds, may be used as a placeholder for partially applied arguments.
+ *
+ * **Note:** This method doesn't set the "length" property of partially
+ * applied functions.
+ *
+ * @static
+ * @memberOf _
+ * @category Function
+ * @param {Function} func The function to partially apply arguments to.
+ * @param {...*} [partials] The arguments to be partially applied.
+ * @returns {Function} Returns the new partially applied function.
+ * @example
+ *
+ * var greet = function(greeting, name) {
+ *   return greeting + ' ' + name;
+ * };
+ *
+ * var greetFred = _.partialRight(greet, 'fred');
+ * greetFred('hi');
+ * // => 'hi fred'
+ *
+ * // using placeholders
+ * var sayHelloTo = _.partialRight(greet, 'hello', _);
+ * sayHelloTo('fred');
+ * // => 'hello fred'
+ */
+var partialRight = rest(function(func, partials) {
+  var holders = replaceHolders(partials, partialRight.placeholder);
+  return createWrapper(func, PARTIAL_RIGHT_FLAG, undefined, partials, holders);
+});
+
+module.exports = partialRight;