Bump to v3.0.0.

internal/createCache.js

@@ -0,0 +1,21 @@
+define(['./SetCache', '../utility/constant', '../lang/isNative', './root'], function(SetCache, constant, isNative, root) {
+
+  /** Native method references. */
+  var Set = isNative(Set = root.Set) && Set;
+
+  /* Native method references for those with the same name as other `lodash` methods. */
+  var nativeCreate = isNative(nativeCreate = Object.create) && nativeCreate;
+
+  /**
+   * Creates a `Set` cache object to optimize linear searches of large arrays.
+   *
+   * @private
+   * @param {Array} [values] The values to cache.
+   * @returns {null|Object} Returns the new cache object if `Set` is supported, else `null`.
+   */
+  var createCache = !(nativeCreate && Set) ? constant(null) : function(values) {
+    return new SetCache(values);
+  };
+
+  return createCache;
+});