DefaultMap.d.ts•1.03 kB
/**
* Copyright 2023 Google LLC.
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* A subclass of Map whose functionality is almost the same as its parent
* except for the fact that DefaultMap never returns undefined. It provides a
* default value for keys that do not exist.
*/
export declare class DefaultMap<K, V> extends Map<K, V> {
#private;
constructor(getDefaultValue: (key: K) => V, entries?: readonly (readonly [K, V])[] | null);
get(key: K): V;
}