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2026-06-25 21:30:32 +00:00
commit 328faf6251
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+/**
+ * @license
+ * Copyright The Closure Library Authors.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Generic immutable node object to be used in collections.
+ */
+
+
+goog.provide('goog.structs.Node');
+
+
+
+/**
+ * A generic immutable node. This can be used in various collections that
+ * require a node object for its item (such as a heap).
+ * @param {K} key Key.
+ * @param {V} value Value.
+ * @constructor
+ * @template K, V
+ */
+goog.structs.Node = function(key, value) {
+  'use strict';
+  /**
+   * The key.
+   * @private {K}
+   */
+  this.key_ = key;
+
+  /**
+   * The value.
+   * @private {V}
+   */
+  this.value_ = value;
+};
+
+
+/**
+ * Gets the key.
+ * @return {K} The key.
+ */
+goog.structs.Node.prototype.getKey = function() {
+  'use strict';
+  return this.key_;
+};
+
+
+/**
+ * Gets the value.
+ * @return {V} The value.
+ */
+goog.structs.Node.prototype.getValue = function() {
+  'use strict';
+  return this.value_;
+};
+
+
+/**
+ * Clones a node and returns a new node.
+ * @return {!goog.structs.Node<K, V>} A new goog.structs.Node with the same
+ *     key value pair.
+ */
+goog.structs.Node.prototype.clone = function() {
+  'use strict';
+  return new goog.structs.Node(this.key_, this.value_);
+};