/* * @license Apache-2.0 * * Copyright (c) 2019 The Stdlib Authors. * * 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. */ // TypeScript Version: 4.1 /// import { Iterator as Iter, IterableIterator } from '@stdlib/types/iter'; // Define a union type representing both iterable and non-iterable iterators: type Iterator = Iter | IterableIterator; /** * Checks whether an iterated value passes a test. * * @returns boolean indicating whether an iterated value passes a test */ type Nullary = () => boolean; /** * Checks whether an iterated value passes a test. * * @param value - iterated value * @returns boolean indicating whether an iterated value passes a test */ type Unary = ( value: any ) => boolean; /** * Checks whether an iterated value passes a test. * * @param value - iterated value * @param i - iteration index * @returns boolean indicating whether an iterated value passes a test */ type Binary = ( value: any, i: number ) => boolean; /** * Checks whether an iterated value passes a test. * * @param value - iterated value * @param i - iteration index * @returns boolean indicating whether an iterated value passes a test */ type Predicate = Nullary | Unary | Binary; /** * Returns an iterator which rejects a provided iterator's values according to a predicate function. * * ## Notes * * - When invoked, the `predicate` function is provided two arguments: * * - `value`: iterated value * - `index`: iteration index (zero-based) * * - If an environment supports `Symbol.iterator` **and** a provided iterator is iterable, the returned iterator is iterable. * * @param iterator - input iterator * @param predicate - predicate function * @param thisArg - execution context * @returns iterator * * @example * var array2iterator = require( '@stdlib/array/to-iterator' ); * * function predicate( v ) { * return ( v > 2 ); * } * * var src = array2iterator( [ 1, 3, 2, 4 ] ); * var iter = iterReject( src, predicate ); * * var v = iter.next().value; * // returns 1 * * v = iter.next().value; * // returns 2 * * var bool = iter.next().done; * // returns true */ declare function iterReject( iterator: Iterator, predicate: Predicate, thisArg?: any ): Iterator; // EXPORTS // export = iterReject;