Bump to v3.0.0.

function/partial.js

@@ -0,0 +1,49 @@
+define(['../internal/baseSlice', '../internal/createWrapper', '../internal/replaceHolders'], function(baseSlice, createWrapper, replaceHolders) {
+
+  /** Used to compose bitmasks for wrapper metadata. */
+  var PARTIAL_FLAG = 32;
+
+  /**
+   * Creates a function that invokes `func` with `partial` arguments prepended
+   * to those provided to the new function. This method is like `_.bind` except
+   * it does **not** alter the `this` binding.
+   *
+   * The `_.partial.placeholder` value, which defaults to `_` in monolithic
+   * builds, may be used as a placeholder for partially applied arguments.
+   *
+   * **Note:** This method does not set the `length` property of partially
+   * applied functions.
+   *
+   * @static
+   * @memberOf _
+   * @category Function
+   * @param {Function} func The function to partially apply arguments to.
+   * @param {...*} [args] The arguments to be partially applied.
+   * @returns {Function} Returns the new partially applied function.
+   * @example
+   *
+   * var greet = function(greeting, name) {
+   *   return greeting + ' ' + name;
+   * };
+   *
+   * var sayHelloTo = _.partial(greet, 'hello');
+   * sayHelloTo('fred');
+   * // => 'hello fred'
+   *
+   * // using placeholders
+   * var greetFred = _.partial(greet, _, 'fred');
+   * greetFred('hi');
+   * // => 'hi fred'
+   */
+  function partial(func) {
+    var partials = baseSlice(arguments, 1),
+        holders = replaceHolders(partials, partial.placeholder);
+
+    return createWrapper(func, PARTIAL_FLAG, null, partials, holders);
+  }
+
+  // Assign default placeholders.
+  partial.placeholder = {};
+
+  return partial;
+});