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@stdlib/iter

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Standard iterator utilities.

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/* * @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 /// <reference types="@stdlib/types"/> import { Iterator } from '@stdlib/types/iter'; /** * Consumes an entire iterator and returns the number of iterated values (i.e., the iterator length). * * @param iterator - input iterator * @returns iterator length * * @example * var array2iterator = require( '@stdlib/array/to-iterator' ); * * var it = array2iterator( [ 0, 0, 0, 0, 1 ] ); * * var v = iterLength( it ); * // returns 5 */ declare function iterLength( iterator: Iterator ): number; // EXPORTS // export = iterLength;