/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
export type Predicate<T> = (a: T) => boolean;
export type Relation<T, U> = (a: T, b: U) => boolean;
export type EndoRelation<T> = Relation<T, T>;