Bump to v3.0.0.

internal/cacheIndexOf.js

@@ -0,0 +1,20 @@
+define(['../lang/isObject'], function(isObject) {
+
+  /**
+   * Checks if `value` is in `cache` mimicking the return signature of
+   * `_.indexOf` by returning `0` if the value is found, else `-1`.
+   *
+   * @private
+   * @param {Object} cache The cache to search.
+   * @param {*} value The value to search for.
+   * @returns {number} Returns `0` if `value` is found, else `-1`.
+   */
+  function cacheIndexOf(cache, value) {
+    var data = cache.data,
+        result = (typeof value == 'string' || isObject(value)) ? data.set.has(value) : data.hash[value];
+
+    return result ? 0 : -1;
+  }
+
+  return cacheIndexOf;
+});