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denoland-deno/cli/tsc/dts/lib.esnext.collection.d.ts
2024-03-26 21:59:24 -04:00

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TypeScript

/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
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
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
/// <reference no-default-lib="true"/>
interface MapConstructor {
/**
* Groups members of an iterable according to the return value of the passed callback.
* @param items An iterable.
* @param keySelector A callback which will be invoked for each item in items.
*/
groupBy<K, T>(
items: Iterable<T>,
keySelector: (item: T, index: number) => K,
): Map<K, T[]>;
}
interface Set<T> {
/**
* @returns a new Set containing all the elements in this Set and also all the elements in the argument.
*/
union<U>(other: Set<U>): Set<T | U>;
/**
* @returns a new Set containing all the elements which are both in this Set and in the argument.
*/
intersection<U>(other: Set<U>): Set<T & U>;
/**
* @returns a new Set containing all the elements in this Set which are not also in the argument.
*/
difference<U>(other: Set<U>): Set<T>;
/**
* @returns a new Set containing all the elements which are in either this Set or in the argument, but not in both.
*/
symmetricDifference<U>(other: Set<U>): Set<T | U>;
/**
* @returns a boolean indicating whether all the elements in this Set are also in the argument.
*/
isSubsetOf(other: Set<unknown>): boolean;
/**
* @returns a boolean indicating whether all the elements in the argument are also in this Set.
*/
isSupersetOf(other: Set<unknown>): boolean;
/**
* @returns a boolean indicating whether this Set has no elements in common with the argument.
*/
isDisjointFrom(other: Set<unknown>): boolean;
}