--- /dev/null
+var stackClear = require('./_stackClear'),
+ stackDelete = require('./_stackDelete'),
+ stackGet = require('./_stackGet'),
+ stackHas = require('./_stackHas'),
+ stackSet = require('./_stackSet');
+
+/**
+ * Creates a stack cache object to store key-value pairs.
+ *
+ * @private
+ * @param {Array} [values] The values to cache.
+ */
+function Stack(values) {
+ var index = -1,
+ length = values ? values.length : 0;
+
+ this.clear();
+ while (++index < length) {
+ var entry = values[index];
+ this.set(entry[0], entry[1]);
+ }
+}
+
+// Add functions to the `Stack` cache.
+Stack.prototype.clear = stackClear;
+Stack.prototype['delete'] = stackDelete;
+Stack.prototype.get = stackGet;
+Stack.prototype.has = stackHas;
+Stack.prototype.set = stackSet;
+
+module.exports = Stack;